Section 41A(3) in The Banking Regulation Act, 1949
(3)Every notice under sub-section (1) sent to a secured creditor shall require him to value his security before the expiry of the period of one month from the date of the service of the notice and shall state that if a statement of the claim together with the valuation of the security is not sent to the official liquidator before the expiry of the said period, then, the official liquidator shall himself value the security and such valuation shall be binding on the creditor.