Drugs and Cosmetics Act, 1940 -A police officer cannot register an FIR under Section 154 CrPC, in regard to cognizable offences under Chapter IV of the Act and he cannot investigate such offences under the provisions of CrPC -Referred to Union of India v. Ashok Kumar Sharma & Ors. (2021) 12 SCC 674::[2020] 10 S.C.R. 923