Exp) Option c is the correct answer.

Central Ground Water Authority has been constituted under Section 3 (3) of the Environment (Protection) Act, 1986 to regulate and control development and management of groundwater resources in the country.

Source: http://cgwb.gov.in/aboutcgwa.html#:~:text=Central%20Ground%20Water%20Authority%20has,water%20resources%20in%20the%20country.