Section 172(1) in The Coal Mines Regulations, 2017
(1)No person shall have in his possession belowground in a mine any cigar, cigarette, biri, or other smoking apparatus, or any match or mobile phone or other apparatus of any kind capable of producing a light, flame or spark:Provided that nothing in this sub-regulation shall be deemed to prohibit the use belowground of any apparatus for the purpose of shot firing or of relighting safety lamps, of a type approved by the Chief Inspector.