Which of the following was not mentioned as a Directive Principle of State Policy in the original Constitution of India?

Correct option is C

The correct answer is (c) Duty of the state to protect and improve the environment
Explanation:
. The provision regarding the protection and improvement of the environment is contained in Article 48A.
. This article was not part of the original Constitution adopted in 1950.
. It was inserted by the 42nd Constitutional Amendment Act, 1976.
. Article 48A directs the State to endeavor to protect and improve the environment and to safeguard the forests and wild life of the country.
. The other options listed (standard of living, nutrition, public health) are part of Article 47, which was in the original text.
Information Booster:
. The 42nd Amendment (1976), often called the "Mini Constitution", added four new Directive Principles:
1. To secure opportunities for healthy development of children (Article 39).
2. To promote equal justice and provide free legal aid to the poor (Article 39A).
3. To take steps to secure the participation of workers in the management of industries (Article 43A).
4. To protect and improve the environment (Article 48A).