[Provided that a person or local authority shall not be entitled to any rebate, if he or it-
(a) consumes water in excess of the maximum quantity as may be prescribed in this behalf for any industry or local authority; or
(b) fails to comply with any of the provisions of section 25 of the Water (Prevention and Control of Pollution) Act, 1974 (6 of 1974) or any of the standards laid down by the Central Government under the Environment (Protection) Act, 1986 (29 of 1986).]