Section 19(12) in Himachal Pradesh Minor Minerals (Concession) and Minerals (Prevention of Illegal Mining, Transportation and Storage) Rules, 2015
(12)The lessee shall immediately give an information in Form-`I' for use of explosive as soon as-(a)the workings in the mine extends below superjacent ground;(b)the depth of any open cast excavation measured from its highest to the lowest point reaches six metres;(c)the number of persons employed on any day is more then 50(fifty); and(d)the explosives are used.
