1. Anti-Defection Law: Two-Thirds Merger Rule Explained
- Seven AAP Rajya Sabha MPs, over two-thirds of the party's Upper House strength, moved to the BJP.
- The Tenth Schedule was added by the 52nd Amendment (1985); the 91st Amendment (2003) removed the one-third split rule.
- Paragraph 4 shields members if at least two-thirds of the legislature party agree to a merger.
- The Kihoto Hollohan case made the presiding officer's decision open to judicial review.