Which part of the constitution was affected by the Forty-second Amendment Act, 1976?
The Forty-second Amendment Act, 1976 affected Article 32 of the Constitution. It was substituted by this amendment act for "the principles specified in clause (b) or clause (c) of article 39". However, it should be noted that Section 4 of this amendment has been declared invalid by the Supreme Court in Minerva Mills Ltd. and Others Vs Union of India and Others, AIR 1980 SC 1789.