The subsidies are earmarked for developers till 2012, the ministry said in a statement put on its website.

Wind power projects will be given 0.5 rupees per unit of power fed into the power grid with a ceiling of 6.2 million rupees per mega watt for a minimum 4 years and maximum 10 years, the ministry added.

The subsidies will be applicable to projects of up to 4,000 MW and detailed guidelines will be issued later, it added.