Step 1: Understanding the Forty-second Amendment Act.
- The Forty-second Amendment Act (1976) is known as the "Constitution (Forty-second Amendment) Act, 1976," which introduced several changes to the Constitution of India. It added the words "Socialist" and "Secular" to the Preamble and sought to implement economic justice and equality of opportunity as per Article 38(B).
Step 2: Conclusion.
Thus, the correct answer is (B) Forty-second Amendment Act.