The correct answer is option 3, Baba Amte. He is known for establishing the "Anand Van". Anand Van is a forest conservation project located in Warora, Maharashtra. It was established by Baba Amte in the 1970s with the aim of restoring the deteriorating forest land. Baba Amte was a social worker and activist who dedicated his life to the welfare of marginalized communities, especially leprosy patients. His work at Anand Van involved planting trees, protecting wildlife, and promoting sustainable methods of farming and living. This initiative aimed to create a harmonious coexistence between humans, animals, and nature. Baba Amte`s efforts at Anand Van have been recognized and applauded for his contribution to environmental conservation and community development.