Correct Answer: (a) Khushi Chindalia
Solution:As of December 2020, Khushi Chindalia, a 17 year old student from Gujarat, is the regional ambassador of the United Nations Environment Program Tunza Eco Generation (TEG) for India. Ankit Kumar Verma, a 22-year-old youth from Prayagraj (U.P.) has been appointed as the regional ambassador for India by United Nations Environment Program (UNEP) Tunja-Eco Generation in March, 2022.