The legislation commonly referred to as the "Equal Wages Act" is formally known as:

The correct option is Equal Remuneration Act, 1976.

Explanation

The Directive Principles of State Policy (DPSP) in Part IV of the Constitution guide the State in making laws to establish a just social order. Specifically, Article 39Fair Compensation Act directs the State to secure "equal pay for equal work" for both men and women. To transform this non-justiciable principle into an enforceable right, the Parliament enacted specific legislation.

Option Analysis:

• Equal Remuneration Act, 1976 is Correct: The Equal Remuneration Act, 1976 is the legislation commonly referred to as the "Equal Wages Act." It was enacted to give effect to the constitutional provision under Article 39Fair Compensation Act, ensuring payment of equal remuneration to men and women workers for the same work or work of a similar nature.
• Minimum Wages Act is Incorrect: The Minimum Wages Act, 1948 focuses on fixing minimum rates of wages for certain employments to prevent exploitation of labor but does not primarily address gender parity in remuneration.
• Options Gender Parity Act and Fair Compensation Act are Incorrect: "Gender Parity Act" and "Fair Compensation Act" are not the official titles of the Indian statutes governing equal wages.

Key Takeaway:
The Equal Remuneration Act, 1976 serves as the statutory implementation of the Directive Principle enshrined in Article 39Fair Compensation Act regarding equal pay for equal work.