Having heard the learned Counsels for the parties and on careful perusal of the entire materials on record, it appears indisputably that the petitioner was a lessee of a mining lease. The said lease was initially for years, thereafter it was extended for another 5 years and then on 8th February, 2016, the petitioner prayed for renewal of the lease. On the date of submission of prayer, the West Bengal Minor Minerals Concession Rules, 2016 did not came into effect. This rule came into force from the date of their publication in the official Gazette. The said rule was notified in the official Gazette on 29th July, 2016. Thus, the said rule came into force on 29th July, 2016 and before the said rule coming into force, the petitioner already took step for renewal of the mining lease. The petitioner was also directed to deposit a sum of Rs.8,79,396/- and the said amount was deposited on 4th February, 2016 on the basis of the order passed by the Additional District Magistrate and DL & LRO, Burdwaman. The petitioner and one Payel Chowdhury whose case was decided in her favour by order dated 7th July, 2015 were directed to obtain Environmental Clearance from SEIAA or DEIAA within three months from the date of the order i.e. on 9th August, 2016. Therefore, it is crystal clear that even after Concession Rules of 2016 came into