Section 18(1)(iv) in The Bombay Minor Mineral Extraction Rules, 1955
(iv)Unless the competent officer for good cause permits otherwise, the lessee shall commence quarrying operations within 3 months from the date of execution of the lease and shall thereafter carry them on in a proper, skillful and workmanlike manner. The lessee shall prevent waste by removal of overburden careful storage of waste, drainage and removal of all valuable minor minerals within the quarry.