Article 302 – Power of Parliament to impose restrictions on trade, commerce and intercourse
Parliament may impose restrictions on trade and commerce if it is in the public interest.
Article 301 – Freedom of trade, commerce and intercourse
Trade, commerce and intercourse throughout the territory of India shall be free.
Article 303 – Restrictions on the legislative powers of the Union and of the States in respect of trade and commerce
(1) No State shall, by law, obstruct trade and commerce which is free under Article 301.
(2) No law of Parliament shall give preference to the trade or commerce of one State over another except in accordance with Article 302.
Article 304 – Restrictions on trade, commerce and intercourse among States
(1) States may impose restrictions on trade, commerce or intercourse with other States in public interest subject to the approval of the President.
(2) No law giving preference to one State's trade over another's shall be valid.
Article 305 – Saving of existing laws and laws providing for State monopolies
Nothing in this part shall invalidate existing laws, laws for State monopolies or anything done under such laws.
Article 306 – Repealed
(Repealed)
Article 307 – Appointment of authority for carrying out the purposes of Articles 301 to 304
Parliament may, by law, provide for appointment of authorities to carry out the purposes of Articles 301 to 304.