Permission etc., of [Commissioner of City Police, Hyderabad] may be proved by writing under his signature

Whenever under this Act any act or omission or the validity of any act depends upon the consent, approval, opinion or satisfaction of the [Commissioner of City Police, Hyderabad] or of any other Police officer, a document signed by the [Commissioner of City Police, Hyderabad] or by such Police officer, purporting to set forth consent, approval, opinion or satisfaction shall be deemed sufficient evidence thereof.