Mains: GS II – Polity - Constitutional Amendments
Recently, the Constitution (131st Amendment) Bill, 2026 was defeated in the Lok Sabha as it failed to secure the constitutionally mandated two-thirds majority.
The Delimitation Commission in India has been constituted four times (1952, 1963, 1973, and 2002)
The Constitutional amendment bill does not require the prior approval of the president.
It can be introduced either in Lok Sabha or Rajya Sabha.
It can be introduced by both the ministers and the private members.
It cannot be introduce in state legislatures

The Hindu| Defeat of the Delimitation bill
The Wire| 131 CA Bill Defeated