Defection means changing political allegiance by an elected legislator, particularly when the change undermines the party on whose ticket the legislator was elected.
In the Indian constitutional context, the:
Anti-Defection Law
provides for disqualification of legislators on specified grounds of defection.
It is contained in:
The Tenth Schedule of the Constitution.
An elected representative should not ordinarily use a party's electoral mandate to change political allegiance in a manner that defeats that mandate.
Before 1985, political defections were a major source of:
The phenomenon became particularly prominent during the:
1960s and 1970s
and generated the famous expression:
"Aaya Ram, Gaya Ram."
Voter
↓
Votes for candidate under a party banner
↓
Candidate gets elected
↓
Candidate changes political allegiance
↓
Government/majority changes
The political mandate given by voters may be altered after the election without seeking a fresh mandate.
The Anti-Defection Law was introduced through:
52nd Constitutional Amendment Act, 1985
It inserted:
Tenth Schedule
into the Constitution.
52nd Amendment → Anti-Defection Law → Tenth Schedule
The Tenth Schedule contains provisions relating to:
Disqualification on ground of defection.
It applies to members of:
Tenth Schedule = Constitutional framework for anti-defection.
The Anti-Defection Law seeks to:
Stop opportunistic switching of parties.
Prevent governments from collapsing through defections.
Respect the mandate given under a party label.
Discourage office-driven political switching.
Ensure that elected members generally follow the party's position.
↓
Elects representative
↓
Representative joins legislature
↓
Political party
↓
Party direction/whip
↓
Legislative voting
↓
Disqualification may arise
↓
Speaker/Chairman decides
Paragraph 2 of the Tenth Schedule provides the principal grounds.
A member may be disqualified if:
The member:
Voluntarily gives up membership of the political party
OR
The member:
Votes or abstains from voting contrary to the direction issued by the political party
without obtaining prior permission and where the action is not condoned within the prescribed period.
The Supreme Court has reiterated these two principal grounds under Paragraph 2.
This phrase is extremely important.
It does not necessarily mean formal resignation from the party.
A member may be considered to have voluntarily given up membership based on:
Formal resignation is not always necessary to establish voluntary giving up of membership.
Suppose:
MLA A
↓
Elected on Party X ticket
↓
Does not formally resign
↓
Publicly joins Party Y's political leadership
↓
Campaigns as Party Y member
Can anti-defection provisions potentially apply?
Because:
Voluntarily giving up membership is wider than formal resignation.
A member can also face disqualification when the member:
Votes or abstains contrary to a direction issued by the political party
without prior permission and without subsequent condonation.
Party issues direction:
Vote AGAINST Bill X.
MLA votes:
FOR Bill X.
If the statutory/constitutional conditions are satisfied:
Disqualification may arise.
A:
Whip
is a direction issued by a political party to its legislators concerning voting or attendance in the House.
To ensure:
Violation of a qualifying party direction can result in:
Disqualification under the Tenth Schedule.
No.
This is an important conceptual distinction.
The Supreme Court has recognised that anti-defection consequences are particularly significant when the party direction concerns matters central to:
The broader issue is the balance between:
Party discipline
and
Legislator's freedom of expression and dissent.
↓
Party unity
↓
Government stability
But:
↓
Reduced individual legislative freedom
↓
Greater legislative independence
But:
↓
Potential instability
The central question is not whether a whip should exist, but how broadly anti-defection consequences should attach to it.
An:
Independent elected member
is one who was elected without being set up as a candidate by a political party.
Under the Tenth Schedule:
An independent member is disqualified if the member joins a political party after election.
Independent → cannot join party after election
A nominated member gets a limited period to choose political affiliation.
A nominated member may join a political party:
Within six months of taking the seat
without attracting disqualification on this ground.
But if the member joins a political party:
After six months
the member can be disqualified.
Nominated member → 6 months
This distinction is important.
The broader organisation that contests elections and sets up candidates.
The elected members of that political party within a particular legislature.
Political Party X
↓
Party organisation
↓
Party X Legislature Party
↓
MPs/MLAs elected under Party X
Often operates at the intersection of:
Political party
and
Legislature party.
The Tenth Schedule permits a merger in specified circumstances.
The merger exception applies when:
At least two-thirds of the members of the legislature party agree to such merger.
2/3 → Merger protection
The Constitution recognises that:
Genuine political realignment may sometimes occur at a substantial organisational level.
Therefore, a large-scale merger is treated differently from individual defection.
One member switches
→ Possible defection
Two-thirds of legislature party merges
→ Constitutional merger exception may apply
Originally, the Tenth Schedule contained a:
Split exception
under which a specified proportion of legislators could claim protection after a split.
However:
The 91st Constitutional Amendment Act, 2003 removed the split exception.
The split provision was criticised because it could facilitate:
Organised defections disguised as legitimate splits.
91st Amendment → Split removed
The 91st Amendment strengthened the anti-defection framework.
Major changes included:
The earlier one-third split protection was removed.
Merger protection requires:
Two-thirds
A person disqualified under the Tenth Schedule is restricted from being appointed as:
for the relevant period under the constitutional provisions introduced by the amendment.
The total number of ministers at the Union and State levels was capped at:
15% of the strength of the respective House
subject to the constitutional minimum applicable to smaller States.
| Feature | Split | Merger |
|---|---|---|
| Earlier status | Allowed under old law | Continues |
| Current status | Abolished | Recognised |
| Threshold | Earlier 1/3 | 2/3 |
| Current protection | ❌ | ✅ |
| Amendment | 91st Amendment removed it | Retained |
1/3 split = gone
2/3 merger = remains
Under Paragraph 6 of the Tenth Schedule:
Speaker of the House of the People/Legislative Assembly
or:
Chairman of the Rajya Sabha/Legislative Council
decides questions of disqualification under the Tenth Schedule.
For an MLA:
Speaker
For an MP in Lok Sabha:
Speaker
For a Rajya Sabha member:
Chairman
The Speaker is:
Can the presiding officer impartially decide a politically sensitive dispute involving members of the ruling party?
This has generated demands for:
Initially, the Tenth Schedule attempted to limit judicial intervention.
However, the Supreme Court in:
Kihoto Hollohan v. Zachillhu
held that the Speaker's decision is subject to:
Judicial review.
The Court upheld the basic constitutional validity of the Anti-Defection Law while recognising judicial review of the Speaker's decision.
Kihoto Hollohan v. Zachillhu
The Supreme Court:
Speaker's decision is not completely immune from judicial scrutiny.
Judicial review is not meant to replace the Speaker's decision-making function.
Courts can intervene where there are serious legal/constitutional defects.
The Supreme Court has described judicial review as available in circumstances such as:
Speaker decides first; courts retain constitutional review.
The Supreme Court has described the Speaker/Chairman's power under Paragraph 6 as:
"pre-eminently of a judicial complexion."
Although the Speaker is not an ordinary court:
The decision-making function under the Tenth Schedule has a judicial character.
One of the biggest criticisms is:
Delay
Suppose:
Defection petition
↓
Filed against MLA
↓
Speaker does not decide
↓
Months/years pass
↓
Political government continues
By the time the decision arrives:
The political consequences may already have occurred.
Anti-defection disputes can affect:
Therefore:
Delayed adjudication can undermine the effectiveness of the law.
The Supreme Court has repeatedly dealt with the issue of timely decision-making on disqualification petitions.
The central electoral argument is:
Voters often vote for candidates partly because of their political party.
Therefore:
Party symbol
Party manifesto
Party leadership
↓
Electoral mandate
↓
Candidate elected
↓
Potentially changes the political meaning of the mandate.
Anti-defection protects the connection between electoral mandate and legislative behaviour.
There are two competing ideas.
A legislator should respect:
The party platform on which the election was fought.
A legislator should be able to:
Exercise independent judgment and represent constituents.
Party mandate vs representative independence
This is the heart of the anti-defection debate.
An elected legislator may wish to:
But a strong anti-defection regime may discourage such behaviour.
The legislature may become an arena for party commands rather than independent deliberation.
↓
Uniform voting
↓
Predictable outcomes
But:
↓
Reduced individual debate
↓
More independent voting
↓
Greater deliberation
But:
↓
Potential instability
Anti-defection law can strengthen stability while simultaneously weakening legislative deliberation if applied too broadly.
This is an important connection.
If:
Party leadership controls the whip
and
Legislators cannot dissent without risk of disqualification
then:
Internal party democracy may weaken.
Strong anti-defection law should ideally be accompanied by:
Strong inner-party democracy.
The electoral cycle can be represented as:
Political Party
↓
Selects candidate
↓
Election
↓
Voter votes
↓
Candidate elected
↓
Party forms government/opposition
↓
Legislative voting
↓
Anti-defection rules
Anti-defection connects electoral choice with post-election legislative conduct.
Defections can be associated with:
This is commonly described as:
Horse-trading
Post-election purchase of political support.
Consider:
Party A
→ 120 MLAs
Party B
→ 110 MLAs
↓
Government formed by Party A
↓
20 MLAs defect
↓
Majority changes
Government may fall.
Makes such switching:
Constitutionally costly
through possible disqualification.
Coalition governments require:
Can strengthen:
Coalition stability
because legislators cannot easily switch sides.
Excessive party discipline may:
Reduce genuine coalition debate.
Voting on:
Confidence/no-confidence motions
is central to government survival.
A party can issue a direction to its legislators regarding such votes.
may attract:
Anti-defection consequences
subject to the Tenth Schedule.
Anti-defection protects the stability of the parliamentary government.
Party directions may also apply to legislative voting.
But the constitutional debate is:
Should every vote on every ordinary legislative issue carry the same disqualification consequence?
Anti-defection should perhaps be strongest for:
and weaker for:
A legislature is intended to provide:
Deliberation + representation + scrutiny
If legislators are required to follow party directions on almost every issue:
↓
Individual voting discretion decreases.
The legislature may become less deliberative.
Party discipline is necessary because:
Some degree of party discipline is essential.
The controversy concerns:
How far party discipline should extend.
Reduces arbitrary government changes.
Protects party-based mandate.
Makes opportunistic defections costly.
Strengthens legislative coherence.
Reduces frequent switching.
Discourages elected representatives from changing sides immediately after elections.
Members may fear independent voting.
Leadership can dominate legislators.
Members may simply follow the whip.
Speaker may belong to the ruling party.
Petitions may remain unresolved.
Defection proceedings may become factional weapons.
Central leadership becomes more powerful.
If party directions are issued on almost every issue:
Party leadership
↓
Whip
↓
MLAs/MPs
↓
Obey
Individual legislators have limited effective freedom.
Restrict disqualification to:
Government survival and core electoral commitments
rather than every ordinary vote.
The Speaker is expected to be:
Impartial presiding authority
but is usually elected from a political party.
A conflict may arise between:
Institutional neutrality
and
Political affiliation
Transfer adjudication to:
Petition
↓
Quick hearing
↓
Decision
Petition
↓
Political uncertainty
↓
Long delay
↓
Political situation changes
Anti-defection law loses deterrent value.
A legislator facing possible disqualification may:
Resign
and potentially seek re-election.
This creates questions about whether resignation can be used strategically to:
Anti-defection interacts with:
Resignation + re-election + political switching
If a member is disqualified:
↓
Seat becomes vacant
↓
By-election may occur
The electorate gets an opportunity to:
Reconfirm or reject the former legislator.
This can restore democratic legitimacy.
The constitutional framework also addresses situations where a member:
resigns from membership
while facing political consequences.
The broader constitutional objective is to prevent legislators from using resignation and immediate re-entry as a simple method of circumventing the consequences of defection.
Changing political allegiance should not become an easy route around anti-defection rules.
The 91st Amendment introduced restrictions concerning appointment of defecting members as ministers.
Prevent:
Defection for ministerial office
Before reform:
Defect
↓
Receive ministerial position
↓
Political reward
Remove incentives for office-driven defections.
At the Union level, Article 75(1B) provides that a member disqualified under the Tenth Schedule is restricted from being appointed as a Minister for the constitutionally specified period.
Article 75(1B) → Union ministerial restriction for defectors
At the State level:
Article 164(1B)
provides the corresponding restriction on appointment as a Minister.
164(1B) → State ministerial restriction
Article 361B deals with:
Disqualification for appointment on remunerative political post
in specified circumstances involving defection.
361B → Political post restriction
91st Amendment = Anti-Defection Strengthening
Remember:
Split removed
Merger retained at 2/3
Ministerial restrictions
Council of Ministers cap
The fundamental relationship is:
Party label → electoral mandate → legislative behaviour
If:
Party label helped secure election
but:
Legislator later changes political allegiance
the voter's original choice may be undermined.
Make post-election switching constitutionally costly.
Voter:
Chooses representative/party.
Representative:
Exercises legislative power.
Representative:
Changes political allegiance.
Who should decide whether the representative continues to hold the mandate — the legislator, party or voters?
This is one of the central normative questions behind anti-defection.
Some reform proposals argue:
If a legislator changes party, the electorate should decide again.
Possible model:
Defection
↓
Resignation/disqualification
↓
By-election
↓
Voters decide
Restores direct electoral legitimacy.
Frequent by-elections can be costly and disruptive.
Anti-defection law protects one dimension of democracy while potentially constraining another.
Legislators have constitutional privileges and political freedoms.
But:
Freedom of speech inside the legislature does not necessarily mean freedom to violate a binding party direction without constitutional consequences under the Tenth Schedule.
Individual expression vs collective electoral mandate
This is a high-value UPSC connection.
↓
Leadership controls party decisions
↓
Whip becomes powerful
↓
Legislators have little room for dissent
↓
Parliamentary debate weakens
Anti-defection law without inner-party democracy can strengthen oligarchic party control.
India follows:
Parliamentary government
where the executive depends on legislative majority.
Therefore:
Majority
↓
Government survival
↓
Party discipline
Protects:
Stability of legislative majority
Anti-defection has a direct relationship with:
Parliamentary executive stability.
At the State level, anti-defection affects:
Therefore:
Anti-defection is also relevant to Indian federal political dynamics.
Regional political realignments can influence:
Regional parties often play decisive roles in:
Therefore:
Anti-defection can significantly influence regional political bargaining.
The Tenth Schedule applies to:
Members of Parliament
including:
Rajya Sabha members
However, the ECI notes an important distinction concerning elections to the Council of States: anti-defection provisions do not apply merely because an MLA votes in a particular manner in a Rajya Sabha election; such voting may instead attract action from the political party under its own rules.
Anti-defection is not automatically applicable to every election-related vote by a legislator.
The President is elected by:
An electoral college
consisting of elected MPs and elected MLAs.
The Anti-Defection Law does not operate in the same way for voting in the Presidential election.
Certain constitutional electoral votes are treated differently from ordinary legislative voting.
Similarly, voting in the:
Vice-Presidential election
is not treated as ordinary House voting for purposes of Tenth Schedule disqualification.
Do not assume every vote cast by an MP/MLA is subject to anti-defection.
Important distinction:
A qualifying party direction can attract Tenth Schedule consequences.
The ECI notes that Tenth Schedule disqualification does not apply merely because an MLA votes contrary to the party's preference in that election.
Legislative vote ≠ every electoral vote
Party
↓
Candidate selection
↓
Election
↓
Voter mandate
↓
Legislator
↓
Party discipline
↓
Whip
↓
Legislative vote
↓
Possible defection
↓
Tenth Schedule
↓
Disqualification proceedings
↓
Speaker/Chairman
↓
Judicial review
Anti-defection is both an electoral and parliamentary issue.
The Supreme Court has recently continued to examine the constitutional boundaries and timelines surrounding Speaker decisions under the Tenth Schedule.
Remember:
Kihoto = Judicial Review
↓
Speaker decides
↓
Speaker's decision
↓
Judicial review available
Speaker is not the final constitutional authority beyond judicial review.
The Court recognised that:
Voluntarily giving up membership
can be inferred from conduct.
Formal resignation is not essential.
Ravi Naik → Conduct can show defection
The Supreme Court has stressed the problem of:
Indefinite delay
in deciding disqualification petitions.
A constitutional adjudicatory power cannot be allowed to become ineffective through unreasonable delay.
The Maharashtra political crisis brought renewed attention to:
The Supreme Court's decisions have emphasised the constitutional importance of political parties in India's electoral and parliamentary system.
It demonstrates that:
Anti-defection law is not merely about individual legislators; it is deeply connected with party organisation and government formation.
The Supreme Court has stressed that the:
Political party
cannot simply be treated as synonymous with the:
Legislature party
for all purposes under the Tenth Schedule.
The distinction matters particularly in relation to:
Party leadership may issue whips on:
Almost every legislative issue
Restrict disqualification to votes involving:
Would preserve:
Party stability
while expanding:
Legislative deliberation
Election and political reform discussions have repeatedly considered:
Anti-defection should prevent opportunistic switching without converting legislators into mere voting machines.
Speaker/Chairman
Independent tribunal/constitutional authority
Would removing the matter from the presiding officer weaken legislative autonomy?
One proposal is to give the:
Election Commission of India
a role in adjudicating defection.
Institutional redesign requires careful constitutional balancing.
A major reform proposal is:
Statutory/constitutional time limit for deciding disqualification petitions.
Prevent:
Strategic delay
Petition
↓
Notice
↓
Hearing
↓
Reasoned decision
↓
Time-bound conclusion
Political uncertainty is reduced.
Strong anti-defection should be accompanied by:
Otherwise:
Anti-defection may strengthen only party leadership, not democratic parties.
A balanced approach:
For:
For:
Stability + legislative independence
A legislator who changes party allegiance could potentially face:
Fresh electoral test
through resignation and by-election.
Let voters decide whether the new political alignment has legitimacy.
May increase:
A defecting legislator should not be able to:
Immediately obtain ministerial or remunerative political office
through switching sides.
The 91st Amendment already introduced restrictions in this area.
Reduce incentives for office-driven defection.
↓
Horse-trading
↓
Government instability
↓
Mandate distortion
↓
Party dictatorship
↓
Weak legislative debate
↓
Reduced individual representation
Stable government + independent deliberative legislature
| Benefits | Costs |
|---|---|
| Political stability | Limits dissent |
| Protects party mandate | Strengthens party leadership |
| Reduces horse-trading | Weakens legislative independence |
| Maintains coalition stability | Speaker bias concerns |
| Promotes party discipline | Delay in decisions |
| Discourages opportunistic switching | Can weaken inner-party democracy |
Party manifesto
↓
Candidate
↓
Party symbol
↓
Voter choice
Candidate
↓
Party position
↓
Legislative vote
↓
Potential mismatch between:
Electoral mandate
and:
Post-election political allegiance
attempts to preserve:
Continuity between the two.
There are two forms of accountability.
Representative → Voters
Representative → Political party
Party-based accountability
But may reduce:
Individual legislative autonomy
The challenge is to balance party accountability with voter accountability.
A legislator represents:
These interests may sometimes conflict.
Constituency wants:
Policy X
Party wants:
Policy Y
Party discipline vs constituency representation
This illustrates the normative difficulty of anti-defection.
Anti-defection is based partly on the principle that:
Political office should not become a commodity for bargaining.
It seeks to discourage:
It attempts to constitutionalise a degree of political morality.
The law's strongest justification is:
Stable government based on the electoral mandate.
But stability alone is not sufficient.
A democracy also requires:
Stable but non-deliberative government is not the complete objective of parliamentary democracy.
Political parties are central because the law largely protects:
Party-based electoral mandates.
The Supreme Court has emphasised the centrality of political parties to India's electoral and governance structure while interpreting the Tenth Schedule.
Anti-defection cannot be understood independently of political-party democracy.
Election
↓
Party-based mandate
↓
Representative elected
↓
Legislative independence
Reasonable party discipline
↓
Core whip only
↓
Government stability
Parliamentary debate
↓
Accountability
Not maximum party control, but democratic stability with meaningful legislative deliberation.
Anti-Defection Law was introduced by the 91st Amendment.
❌ Incorrect.
52nd Amendment, 1985 → introduced Anti-Defection Law
91st Amendment, 2003 → strengthened it and removed split exception
The Anti-Defection Law is contained in the Eleventh Schedule.
❌ Incorrect.
Tenth Schedule
Only formal resignation from a party constitutes defection.
❌ Incorrect.
Voluntarily giving up membership can be inferred from:
Conduct
Any disagreement with the party automatically results in disqualification.
❌ Incorrect.
Disqualification depends on the specific grounds and conditions of the Tenth Schedule.
The one-third split exception still exists.
❌ Incorrect.
Removed by 91st Amendment, 2003.
A merger requires one-third of legislators.
❌ Incorrect.
Two-thirds
The Election Commission decides all anti-defection petitions.
❌ Incorrect.
Normally:
Speaker/Chairman
decides.
Speaker's decision cannot be challenged in court.
❌ Incorrect.
Judicial review is available.
Anti-defection applies to every vote cast by an MLA.
❌ Incorrect.
The nature of the vote matters. For example, the ECI has clarified that Tenth Schedule disqualification does not apply merely because an MLA votes contrary to the party preference in a Rajya Sabha election.
Independent MLAs can freely join political parties after election.
❌ Incorrect.
Joining a political party after election can attract:
Disqualification
Nominated members cannot join a political party.
❌ Incorrect.
They may join within:
Six months
without attracting disqualification on that ground.
Anti-defection only protects political stability and has no connection with electoral politics.
❌ Incorrect.
It directly concerns:
Party-based electoral mandates and post-election political behaviour.
Anti-defection strengthens individual legislative independence.
❌ Incorrect.
Its principal effect is to strengthen:
Party discipline
which can sometimes reduce individual legislative freedom.
Merger and split are both currently recognised exceptions.
❌ Incorrect.
Split → removed
Merger → retained
Consider the following statements:
Answer: 1 and 2 only
Consider the following statements:
Answer: 1 and 3 only
Consider the following statements:
Answer: 1 and 2 only
Consider the following statements:
Answer: 1 and 3 only
Consider the following statements:
Answer: 1 and 2 only
Consider the following statements:
Answer: 1 and 2 only
Consider the following statements:
Answer: 1 and 2 only
Consider the following statements:
Answer: 1, 2 and 3
Consider the following statements:
Answer: 1 and 3 only
Consider the following statements:
Answer: 1 and 2 only
| Concept | Association |
|---|---|
| 52nd Constitutional Amendment | Introduced Anti-Defection Law |
| Tenth Schedule | Defection-related disqualification |
| 91st Constitutional Amendment | Removed split exception |
| Merger | Two-thirds |
| Speaker | Lok Sabha/Assembly disqualification decision |
| Chairman | Rajya Sabha/Council disqualification decision |
| Kihoto Hollohan | Judicial review |
| Ravi S. Naik | Voluntarily giving up membership |
| Keisham Meghachandra Singh | Timely decision on disqualification |
| Whip | Party direction on legislative voting |
| Article 75(1B) | Union ministerial restriction |
| Article 164(1B) | State ministerial restriction |
| Article 361B | Specified remunerative political post restriction |
| Independent member | Joining party after election can attract disqualification |
| Nominated member | Six-month period |
| Split | Abolished |
| Merger | Retained |
| Question | Answer |
|---|---|
| Meaning | Law against specified forms of political defection |
| Constitutional basis | Tenth Schedule |
| Introduced | 52nd Amendment, 1985 |
| Applies to | Parliament + State Legislatures |
| Main objective | Prevent defections |
| Other objective | Protect electoral mandate |
| Main ground 1 | Voluntarily giving up membership |
| Main ground 2 | Voting/abstaining contrary to qualifying party direction |
| Independent member | Joining party after election → disqualification |
| Nominated member | Six-month rule |
| Split exception | Abolished |
| Merger exception | Retained |
| Merger threshold | 2/3 |
| Adjudicating authority | Speaker/Chairman |
| Judicial review | Available |
| Key case | Kihoto Hollohan |
| Other key case | Ravi S. Naik |
| Delay case | Keisham Meghachandra Singh |
| 91st Amendment | Strengthened anti-defection |
| Ministerial restriction | Yes |
| Council of Ministers cap | 15% |
| Major benefit | Political stability |
| Major concern | Weak legislative dissent |
| Other concern | Speaker's impartiality |
| Other concern | Delay |
| Reform | Limit whip to core matters |
| Reform | Independent adjudication |
| Reform | Time-bound decision |
| Core tension | Party discipline vs legislative independence |
Voter
↓
Votes for candidate
↓
Party + Candidate
↓
Electoral mandate
↓
Legislator
↓
Party affiliation
↓
Legislative voting
↓
Party whip
↓
Voluntarily gives up membership
OR
Votes/abstains contrary to qualifying party direction
↓
Tenth Schedule
↓
Disqualification petition
↓
Speaker/Chairman
↓
Decision
↓
Judicial Review
Merger
↓
2/3 Legislature Party
↓
Protection
Split
↓
❌ Removed by 91st Amendment
Anti-Defection
→ 52nd Amendment, 1985
→ Tenth Schedule
→ Objective:
Prevent political defections + protect electoral mandate + ensure stability
→ Main grounds:
Voluntarily giving up membership
Voting/abstaining contrary to qualifying party direction
→ Independent member:
Joining party after election = disqualification
→ Nominated member:
6-month rule
→ 91st Amendment, 2003
Split removed
Merger retained
2/3 required
Ministerial restrictions
15% Council of Ministers cap
→ Deciding authority:
Speaker/Chairman
→ Judicial review:
Yes
→ Kihoto Hollohan = judicial review
→ Ravi S. Naik = conduct can establish voluntary giving up
→ Major problem:
Delay
→ Major criticism:
Party discipline may suppress legislative dissent
→ Reform:
Limit whip + independent adjudication + time-bound decisions + inner-party democracy
Changing political allegiance in a manner covered by the Tenth Schedule
Constitutional mechanism to disqualify legislators on specified grounds of defection
Party direction to legislators regarding legislative conduct/voting
Former one-third exception — abolished
Two-thirds legislature-party exception — retained
Primary adjudicating authority in Lok Sabha/State Assemblies
Primary adjudicating authority in Rajya Sabha/State Legislative Councils
Judicial review of Speaker's decision
Voluntary giving up can be inferred from conduct
Democratic functioning within political parties
Political authority derived from voters' electoral choice
Remember Anti-Defection through:
MANDATE → PARTY → WHIP → DEFECTION → TENTH SCHEDULE → DISQUALIFICATION
Voters elect a candidate under a:
Party identity and electoral programme
↓
The elected member becomes part of:
Legislative party
↓
Party may issue directions on important legislative votes.
↓
Member:
↓
Constitutional anti-defection mechanism applies.
↓
Speaker/Chairman decides, subject to:
Judicial review
**The Anti-Defection Law connects electoral politics with legislative behaviour. Introduced through the 52nd Constitutional Amendment Act, 1985, and contained in the Tenth Schedule, it seeks to prevent elected representatives from undermining party-based electoral mandates through opportunistic defections. The principal grounds are voluntarily giving up membership of the political party and voting or abstaining contrary to a qualifying party direction without the required permission or condonation. The 91st Constitutional Amendment Act, 2003 removed the earlier split exception and retained the merger exception only where at least two-thirds of the legislature party agrees to the merger. The Speaker or Chairman decides disqualification petitions, but the Supreme Court has held that such decisions are subject to judicial review. **
For UPSC, the central analytical issue is the balance between two democratic principles: "party mandate and political stability" versus "legislative independence and dissent." A weak anti-defection regime can encourage horse-trading and unstable governments; an excessively broad regime can turn legislators into mere voting agents of party leadership and weaken parliamentary deliberation. Therefore, the ideal reform is not simply stronger or weaker anti-defection law, but a balanced framework involving a limited whip on matters central to government survival and core electoral commitments, time-bound adjudication, greater institutional neutrality, judicial oversight, and stronger inner-party democracy.