What is the period and tenure for which a mining lease is granted?
i. A ML for any mineral or prescribed group of associated minerals is granted for a minimum period of 20 years and a maximum period of 30 years and for a maximum area of 10 square kilometer. ii. A ML can be renewed for periods not exceeding 20 years. iii. In Tamil Nadu, a person can be granted a maximum area of 10 square kilometer in 1 or more MLs, but if the Central Government is of the opinion that in the interest of development of any mineral it is necessary to do so, the maximum area limit can be relaxed.