JUDGMENT

S.B. MAJMUDAR, J.

(1) LEAVE granted in Special Leave Petition (C) No. 5355 of 1991.

(2) IN this group of appeals identical grievance is made by the appellants who are consumers of electricity supplied by the respondent U.P. State Electricity Board ("the Board" in short). Their grievance is that though by notifications dated 29/10/1982, 13/7/1984 and 28/1/1986 the respondent- Board in exercise of its powers under Section 49 of the Electricity (Supply) Act, 1948 (hereinafter referred to as "the Act") had held out a promise to new industrialists seeking to establish industries in different parts of the State of Uttar Pradesh, that on the charges of electricity consumed by them they will be given 10 rebate for a period of three years from the date of commencement of supply of electricity to them for the first time, the respondent-Board had arbitrarily and prematurely withdrawn concession of the said rebate by a latter notification dated 31/7/1986 which is impugned in these proceedings. Various writ petitions were filed in the High court of Judicature at Allahabad challenging the said impugned notification. They were heard together by a division ben