Concept:The Wildlife Protection Act is an Indian law to safeguard wild animals and plant species from hunting and exploitation. Explanation:This act was enacted by the Parliament of India on 9 September 1972.It aims to protect endangered wildlife and ensure ecological security.Among the given options, 1972 matches the year of this legislation.Other key environmental acts include: Forest Conservation Act 1980, Environment Protection Act 1986, and Biological Diversity Act 2002.Answer:C. 1972