( 1 ) THE Municipal Corporation of the City of Ahmedabad has in this group of petitions sought a declaration that the requirements denoted by the word "successfully" and by the words "and so long as it functions successfully" in Rule 6 of the Water (Prevention and Control of Pollution) Cess Rules, 1976 are inconsistent with the provisions of Section 7 of the Water (Prevention and Control of Pollution) Cess Act, 1977 and therefore inoperative and void. The petitioner Corporation has challenged the order dated 31st December, 1985 passed by the appellate authority and the revised assessment order dated 9/01/1985 which was consequentially made.

( 2 ) ACCORDING to the petitioner, the polluting parameters as mentioned in the conditions imposed under the consent granted to the petitioner under Section 25 of the Water (Prevention and Control of Pollution) Act, 1974 and the maximum permissible limits of ranges allowed as per the consent condition were as under: (1) b. O. D. 20 mg. /l. (2) suspended Solids 30 mg. /l. The Legislature with a view to provide adequate funds to the State Boards for their effective functioning, enacted the Water (Prevention and Control of Poll