127th Amendment Bill, 2021

The Constitution (One Hundred and Twenty-Seventh Amendment) Bill, 2021 was passed by Lok Sabha and Rajya Sabha on 9th August 2021 and 10th August 2021. The 2021 Bill amends this to provide that the President may notify the list of socially and educationally backward classes only for purposes of the central government.  This central list will be prepared and maintained by the central government.  Further, the Bill enables states and union territories to prepare their own list of socially and educationally backward classes.   This list must be made by law, and may differ from the central list.

About National Commission for Backward Classes (NCBC)
The National Commission for Backward Classes (NCBC) was established under the National Commission for Backward Classes Act, 1993.  The Constitution (One Hundred and Second Amendment) Act, 2018 gave constitutional status to the NCBC.

Sources :  PIB