172. Safety lamps to be used in belowground mines.
- No lamp or light other than an approved safety lamp or torch or other installation permitted under the Indian Electricity Rules, 1956 shall be used or permitted to be used below ground in any mine:Provided that the Chief Inspector may, by an order in writing and subject to such condition as he may specify therein, exempt any mine or part thereof from the operation of this regulation on the ground that on account of its special character the use of safety lamps is not necessary therein.
