224. Notwithstanding anything in clause (1) of article 217 of this Constitution-
(a) Parliament shall not have power to make laws with respect to any right relating to posts and telegraphs in any State or group of States for the time being specified in Part III of the First Schedule subsisting at the date of commencement of this Constitution until such right is extinguished by agreement between the Government of India and that State or group of States or is acquired by the Government of India:
Provided that nothing in this clause shall prevent Parliament from making any law for the regulation and control of posts and telegraphs in such State or group of States;
(b) The power of Parliament to make laws with respect to telephones, wireless, broadcasting and other like forms of communication in any State for the time being specified in Part III of the First Schedule shall extend only to the making of laws for their regulation and control
(c) The power of Parliament to make laws with respect to corporations shall not include the power to make laws with respect to the incorporation, regulation and winding up of corporations owned or controlled by a State for the time being specified in Part III of the First Schedule and carrying on business only within that State.