There is no circular from the Govt. of W.B.
Don’t worry.New Pension Scheme for members of the All India Services including those joining in the State Cadre on or after 01.01.2004. When it will be ready for running in W.B.then you will be informed about it. A % of salary may be deducted form your gross salary and the same amount of share will be deposited by the govt. But it is yet not been appeared.