CHARGING OF DEPRECIATION BY BOARD.

(1) The Board shall Provided each year for depreciation such sum calculated in accordance with such principles as the Central Government may, after consultation with the Authority by notification in the Official Gazette, lay down from time to time. (2) * (3) The provisions of this section shall apply to the charging or depreciation for the year in which the Electricity (Supply) Amendment Act, 1978 (23 of 1978), comes into force.