hiring of pumps for supply of water from contractors source for drill sites of dharma , gourangdi and mollarpur sub-camps of cmpdi ri-i , asansol for a period of one year hiring of pumps for supply of water from contractors source for drill sites of dharma , gourangdi and mollarpur sub-camps of cmpdi ri-i , asansol for a period of one year , extendable to another one year , subject to satisfactory performance , if required , hiring of pumps for supply of water for 4 rigs of dharma sub-camp , hiring of pumps for supply of water for 4 rigs of gourangdi sub-camp , hiring of pumps for supply of water for 3 rigs of mollarpur sub-camp , hiring of pumps for supply of water for 2 rigs in any sub-camp as and when required basis , hiring of pumps for supply of water for 1 rigs in any sub-camp as and when required basis