M. M. KASLIWAL, J.

( 1 ) AS identical questions of facts and law are involved in these bunch of 47 writ petitions whose list is annexed in Schedule a, the same are disposed of by one single order.

( 2 ) IN order to appreciate the facts and the controversies raised in these cases I would refer the pleadings and the Annexures as contained in S. B. Civil Writ Petition No. 1862 of 1982. The case of the petitioners is that to provide for the rationalisation of the production and supply of electricity and for taking measures conducive to electrical development, the Parliament enacted the Electricity Supply Act, 1948 (hereinafter referred to as the Supply Act ). In exercise of powers under Section 5 of the Supply Act, the Government of Raiasthan constituted a State Electricity Board (hereinafter referred to as the Board ). In exercise of the powers conferred under Section 49 of the Supply Act the Board has been framing Tariffs for the, supply of electricity to its consumers from time to time. For the first time a general Tariff was introduced by the Board by notification, dated March 18, 1964, which contained a fuel adjustment clause. This Tariff was modified on July 6, 1966 and