The Bill envisages an authority to promote old-age income security by establishing, developing and regulating pension funds, to protect the interest of subscribers of pension funds.
Traditionally, the Budget session (that starts at the end of February) sees little legislative business.
The Trinamool Congress chief and West Bengal Chief Minister Mamata Banerjee is learnt to have written to the government expressing her reservations.
In Kolkata, senior TMC leaders said the party's Lok Sabha manifesto (2009) stated the party was opposed to FDIs in retail, banking, insurance and pension sectors.
"We don't want pensioners to expose their life savings
Banerjee said she is in favour of a return to the pre-2004 pension system, wherein employees would get 50 per cent of the last drawn pay.
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