Adani Enterprises Ltd NSE 7.38 % along with its wholly-owned subsidiary Gare Palma II Collieries Pvt Ltd (GPIICPL) has signed a pact with Maharashtra State Power Generation Co Ltd (MAHAGENCO) for development and operation of Gare Palma Sector II coal mine. The coal ministry had allocated the coal mine in Raigarh district of Chhattisgarh to MAHAGENCO in 2015, Adani Enterprises said in a filing to BSE on Friday.