The union government had suspended delimitation in 1976 until after the 2001 census so that states' family planning programs would not affect their political representation in the Lok Sabha.

[8] The most recent delimitation commission was set up on 12 July 2002 after the 2001 census with Justice Kuldip Singh, a retired Judge of the Supreme Court as its Chairperson.

In December 2007, the Supreme Court on a petition issued notice to the central government asking reasons for non implementation.

On 4 January 2008, the Cabinet Committee on Political Affairs (CCPA) decided to implement the order from the Delimitation Commission.

This means that all future elections in India for states covered by the commission will be held under the newly formed constituencies.

[14] The delimitation of four north-eastern states was deferred due to security risks, by four separate presidential orders, all issued on 8 February 2008, for Assam,[15] Arunachal Pradesh,[16] Nagaland[17] and Manipur.

[19] Subsequently, the Government of India has reconstituted the Delimitation Commission for these four states as well as the union territory of Jammu and Kashmir on 6 March 2020, under the chairpersonship of former Supreme Court judge Ranjana Prakash Desai.

However, during The Emergency, through Forty-second Amendment the government froze the total Parliamentary and Assembly seats in each state till 2001 Census.