Section 6(4) in The Bureau of Indian Standards Rules, 2018
(4)When a member appointed under sub-rule (2) desires to resign from membership of the Executive Committee, he shall forward his letter of resignation under his own hand to the Director General and such resignation shall take effect from the date of its acceptance by the Director General or on the expiry of a period of one month from the date of its receipt by the Director General, whichever is earlier.
