1.The A.P. State Electricity Board and its officers representing the Board preferred this appeal against the order of a learned single Judge of this High Court dated 23-10-1998 in W.P. No. 17129 of 1988 which was filed by the respondent herein under Art.226 of the Constitution of India praying to issue a writ of Mandamus declaring the action of the appellants in withdrawing 25% power rebate to the Mini Steel Plants (MSPs) by including them in the list of non - eligible industries as illegal, arbitrary, unjust and to further declare that the petitioner - industry is entitled for 25% power rebate till the completion of initial period of three (03) years as per the policy - decision of the Government of Andhra Pradesh.

2. The writ petitioner is a Mini Steel Plant (MSP) engaged in the manufacture of steel ingots, billets etc., and was