NEW DELHI: The Cabinet Committee on Economic Affairs on Thursday approved the concession scheme of the Department of Fertiliser on de-controlled phosphatic and potassic fertilizers, which would reduce the subsidy bill by Rs. 1,163 crore, besides encouraging the industry to raise production. Minister of State in the Prime Minister's Office, Prithviraj Chavan, told newsmen here that the concession scheme , which lapsed on March 31, included DAP, MOP, MAP and 11 grades of complex fertilizers. The scheme would come into effect retrospectively from April 1, based on a revised framework.