Industrial safety helmets have been included in the mandatory ISI Certification Scheme under IS 2925:1984. This product cannot be exported/imported or sold in the Indian consumer market without ISI Mark imprinted. his standard lays down the requirements regarding material, construction, workmanship, and finish, and performance requirements of helmets intended to provide protection against falling objects and other hazards that may be encountered in mining, tunneling, quarrying, shipbuilding, construction projects, and similar other industrial occupations.