JUDGMENT :

T.S. Thakur, CJI.

1. Leave granted.

2. These appeals arise out of a common judgment and order dated 13th November, 2014 passed by the High Court of Kerala at Ernakulam, whereby, Writ Appeals Nos.1610, 1611 and 1621 of 2014 filed by the appellants-State of Kerala have been dismissed affirming thereby an order passed by a Single Bench of that Court, allowing the writ petitions filed by the respondent.

3. By an order dated 15th September, 2004 the Government of Kerala sanctioned the grant of mining leases for Ilmenite, Rutile, Leucoxene, Zircon and Sillimanite (non-scheduled mineral) for a period of 20 years. The order came in exercise of the powers vested in the State Government under Section 11(5) of the Mines and Minerals (Development and Regulation) Act, 1957 and was preceded by the approval of the Government of India in terms of Section 5(1) thereof. Shortly after the issue of the sanction order, however, the State Government by another order dated 25th September, 2004 stayed further action in the matter on the ground that a detailed study on the environmental impact of the proposed leases need be undertaken before taking any further steps. This was followed by nine letter