Key Terms & Concepts — UPSC Mains
Delimitation Commission
"A high-powered body that redraws Lok Sabha and State Assembly constituency boundaries based on Census data"
The Delimitation Commission is a statutory body constituted under the Delimitation Commission Act to redraw the boundaries of parliamentary and state assembly constituencies based on the latest Census population data. It is headed by a retired Supreme Court judge and includes the Chief Election Commissioner and the respective State Election Commissioner as ex-officio members. Its orders have the force of law and cannot be questioned in any court.
Critical for UPSC Polity — connects to federal balance, democratic representation, North-South tensions, and women's reservation implementation under the 106th Amendment.
- 1 Constituted under Articles 82 and 170 of the Constitution
- 2 Past commissions — 1952, 1963, 1973, 2002 (Justice Kuldeep Singh)
- 3 42nd Amendment (1976) froze delimitation at 1971 Census figures as incentive for population control
- 4 84th Amendment (2001) extended freeze until after 2026 Census
- 5 87th Amendment (2003) allowed re-delimitation of SC/ST reserved seats based on 2001 Census
- 6 Orders are final and cannot be challenged in court (Article 329)
- 7 Current proposal to use 2011 Census could expand Lok Sabha from 543 to ~816 seats
The 2020 Delimitation Commission for J&K (headed by Justice Ranjana Prakash Desai) increased Assembly seats from 83 to 90 and redrew Lok Sabha constituencies.