Section 33B(a) in The General Provident Fund (Central Service) Rules, 1960
(a)[ the balance at the credit of such subscriber shall not at any time during the 3 years preceding the month of death have fallen below the limits of-(i)Rs. 25,000 in the case of a subscriber holding a post in the Pay Band-2 (Rs. 9,300-34,800) or above and drawing a Grade Pay of Rs. 4,800 p.m. or more as per Central Civil Service (Revised Pay) Rules, 2008;(ii)Rs. 15,000 in the case of a subscriber holding a post in the Pay Band-2 (Rs. 9,300-34,800) and drawing a Grade Pay of Rs. 4,200 p.m. or more but less than Rs. 4,800 p.m. as per Central Civil Service (Revised Pay) Rules, 2008;(iii)Rs. 10,000 in the case of a subscriber holding a post in the Pay Band-2, Pay Band-1 or Pay Band-1S (Rs. 4,440-7,440) and drawing a Grade Pay of Rs. 1,400 p.m. or more but less than Rs. 4,200 p.m. as per Central Civil Service (Revised Pay) Rules, 2008;(iv)Rs. 6,000 in the case of a subscriber holding a post in the Pay Band-1S (Rs. 4,440-7,440) and drawing a Grade Pay of Rs. 1,300 p.m. or more but less than Rs. 1,400 p.m. as per Central Civil Service (Revised Pay) Rules, 2008; and