The size distribution of mining leases in India are so small that these neither sustainable, nor mined scientifically, according to Federation of Indian Mineral Industries (FIMI).
According to data provided in a FIMI report, on March 31, 2017, there were 4 128 mining leases of major minerals effective across the country, covering 354 908 ha. Of this, 72% of the mining leases were less than 50 ha. There were only four mining leases covering 500 ha or more and five leases covering 200 ha to 500 ha.