Provided that the Board shall not issue any directions under this section except after obtaining the prior approval of the Government.

General principles of Board's finance General principles of Board's finance.—The Board shall not, as far as practicable and after taking credit for any subventions from the Government under section 60, carry on its operations under this Act at a loss, and shall adjust its charges accordingly from time to time : Provided that where necessary any amounts due for meeting the operating, maintenance and management expenses of the Board or for the purposes of clauses (i) and (ii) of section 64 may, to such extent as may be sanctioned by the Government, be paid out of capital.