The officer to whom the powers have been delegated under sub-rule (1) shall exercise the powers of the Central Licensing Authority under its name and seal. (3) The State Licensing Authority, may, with the prior approval of the State Government, by an order in writing, delegate all or any of its powers to any officer under its control. (4) The officer to whom the powers have been delegated under sub-rule (3) shall exercise the powers of the State Licensing Authority under its name and seal. 10. Controlling officer Any officer not below the rank of Assistant Drugs Controller, by whatever name called, shall be the controlling officer to supervise and give instructions to any officer subordinate to such controlling officer to exercise powers and functions under these rules for areas and purposes specified, by an order, of the Drugs Controller General of India or the Drugs Controller, by whatever name called, of the State concerned.