National Judicial Appointments Commission – Enactmentwill replace the collegium system for the appointment of judges of the Supreme Court and High Courts. The change is the existing system was brought about by an amendment in the relevant provisions of the Constitution of India and then through a bill which lays down the structure and procedure for constitution of the Commission.

The Constitution (One Hundred and Twenty-First Amendment) Bill, 2014 was first introduced in the Lok Sabha on August 11, 2014 by the Minister of Law and Justice, Mr. Ravi Shankar Prasad in conjunction with the Constitutional (121st Amendment) Bill, 2014. After its passage, the Bills were introduced in and approved by the Rajya Sabha.

Since the amendments were sought in the Chapter IV of Part V and Chapter VI of Part VI of the Constitution of India, the Constitutional amendment bills were then sent to the State Legislatures wherein half of them needed to approve the bill.  (Check proviso to Article 368 (2) of the Constitution).

The Constitution (Ninety-ninth Amendment) Act, 2014 and National Judicial Appointments Commission Act 2014 were notified on 31 December 2014. The NJAC Act and the Constitutional Amendment Act came into force from 13 April 2015

Gazette Notifications
Constitution (Ninety-ninth Amendment) Act, 2014 National Judicial Appointments Commission Act 2014
The Constitution (One Hundred and Twenty-First Amendment) Bill, 2014
As Introduced in the Lok Sabha As Passed by both the Houses
The National Judicial Appointments Commission Bill, 2014
As Introduced in the Lok Sabha As Passed by both the Houses
Debates
Lok Sabha: Both Constitution Amendment Bill & NJAC Rajya Sabha: Constitution Amendment Bill | NJAC

Standing Commitee Report on The Judicial Appointments Commission Bill, 2013