Section 28(1)(viii) in Rajasthan Minor Mineral Concession Rules, 2017
(viii)The lessee or lessees shall commence mining operations within six months from the date of commencement of the lease or licence and thereafter carry on such operations effectively in a proper skilful and workman like manner both as regards prevention of waste by removal of sufficient overburden, careful storage of waste and drainage and as regards removal of all valuable minerals within the mine. The lessee or licencee shall work in workman like manner for systematic, scientific and environment friendly mining so as to ensure systematic development, conservation of mineral deposits, protection of environment and safety of man and machinery.