The panel has 14 members from the BJP and five from Congress. It also has two members each from JD(U), TMC and DMK, and one member each from SP, IUML, Shiv Sena, NCP (SP), NCP and TDP.
Chidambaram warned that backing the new version of the Bill would amount to a "betrayal" of the conscience that guided the two regional parties when a similar proposal was debated earlier this year.
The Congress also slammed the BJP for failing to implement women's reservation even after the Parliament unanimously passed the 'Nari Shakti Vandan Adhiniyam' in September 2023.
The former Tamil Nadu CM alleged that parties aligned with the DMK lack commitment to the cause of women's quota while stressing that the AIADMK genuinely desires reservation for women.