(1) No person shall engage in the business of transmission or supply of electricity unless he,
     (a) holds a licence ; or
     (b) is exempted under section 16 from the requirement of a licence ; or
     (c) is so authorized under the Indian Electricity Act, 1910 or the Electricity (Supply) Act, 1948 ;
(2) Where a dispute arises as to whether any person is no is not engaged in the business of transmission or supply of electricity under sub-section (1), the matter shall be referred to the Commission and the decision of the Commission thereon shall be final.
(3) The Commission shall have the powers to order a person, who is not a licencee, to cease operating and disconnect its apparatus.