New Delhi, April 16 -- Hours before the convening of a special Parliament sitting, Congress MP Hibi Eden on Thursday moved a notice to oppose the introduction of the Constitution (One Hundred and Thirty-first Amendment) Bill, 2026, flagging disadvantages to southern states.

The Constitutional Amendment bill's implementation is tied to a population-based revision of constituencies based on the 2011 census. It proposes delimitation - a wider political overhaul - aiming to change the size and composition of state legislative assemblies and Lok Sabha.

"The Bill is a clear attack on the Constitution and by amending Articles 82 and 334A of the Constitution, the Bill removes the constitutional anchor that historically tied delimitation to the ...