Amendment of section 49.—In section 49 of the Electricity (Supply) Act, 1948 (Central Act 54 of 1948) (hereinafter referred to as the principal Act), after sub-section (4), the following sub-section shall be inserted, namely:—

"(5) The party to an agreement or any other arrangement entered into prior to the commencement of the Electricity (Supply) Kerala Amendment Act, 1983 and providing for supply of electricity by the Board shall, notwithstanding anything contained in the instrument of such agreement or other arrangement or in any law including this Act in force at such commencement,— • pay, in respect of the electricity supplied after such commence ment, such price (by whatever name called) calculated in accordance with the uniform tariff framed or modified from time to time under sub-section (1) and applicable to the category to which such party belongs; • not be entitled to reimbursement by the Board from such price of any amount, whether on account of increase in price of the electricity supplied to it by the Board or on account of any tax, duty, surcharge, levy, cess or any other imposition or charges payable by such party in respect of the electricity, supplied to it by the Board."