Section 3(4)(c) in The Bureau of Indian Standards (Appointment, Terms and Conditions of Service of Director-General) Rules, 1987
(c)if the candidate is a Government servant, he shall have the educational qualifications and experience as specified in clauses (a) and (b) and should also be eligible for promotion to a post in HAG Scale [Rs. 67000 (annual increment @ 3%) Rs. 79000] in accordance with the rules and criteria as applicable to such post;