Nothing in this Act shall affect any right or privilege to which any employee is entitled on the date of commencement of this Act under any law for the time being in force or under any contract, custom or usage, which is more favourable to him than any right or privilege conferred upon him by this Act *5A. Act not to apply to certain establishments - Nothing contained in this Act shall apply to any public sector undertaking of the Central Government.
6. Delegation of powers —The Government may, by notification in the Gazette, direct that any power exercisable by it under this Act or the rules made thereunder shall, in relation to such matters and subject to such conditions, if any, as may be specified in such notification, be exercisable also by such officer or authority subordinate to the Government as may be specified in the said notification