Section 23(17)(a) in State Bank of India Employees Pension Fund Regulations, 2014
(a)Commutation of pension.- An employee who retires from the Bank's service on or after the 1st January, 1986 shall be entitled to commute upto a lump sum payment of a fraction not exceeding one-third of his pension with effect from the 1st November, 1994 or on any subsequent date, from which he becomes eligible for commutation: