Section 85I(1) in The Drugs and Cosmetics Rules, 1945
(1)The licensing authority may, after giving the licensee an opportunity to show cause why such an order should not be passed, by an order in writing stating the reasons therefor, cancel a license issued under this Part or suspend it for such period as he thinks fit, either wholly or in respect of some of the substances to which it relates if, in his opinion, the licensee has failed to comply with any of the conditions of the license or with any provisions of the Act or rules made thereunder.