The Preamble of the Indian Constitution has been amended only once, by the ______ Amendment Act, 1976, adding the words 'Socialist', 'Secular', and 'Integrity'.
- 24th
- 42nd
- 44th
- 73rd
Answer: 42nd
42nd Amendment (1976): Added three words to Preamble: 'Socialist' (mixed economy, welfare state), 'Secular' (equal respect for all religions, no State religion), 'Integrity' (national unity beyond sovereignty). Preamble is part of Constitution (Kesavananda case) and amendable under Article 368, but basic structure cannot be altered.