Important Environment and Biodiversity Acts Passed by Indian Government

1. Fisheries Act 1897
2. Indian Forests Act 1927
3. Mining and Mineral Development Regulation Act 1957
4. Prevention of Cruelty to Animals 1960
5. Wildlife Protection Act 1972
6. Water (Prevention and Control of Pollution) 1974
7. Forest Conservation Act 1980
8. Air (Prevention and Control of Pollution) Act 1981
9. Hazardous waste Handling and Management Act 1989
10. Public Liability Insurance Act 1991
11. Protection of Plant Varieties and Farmers' Rights Act of 2001
12. Biological Diversity Act 2002
13. Wildlife Protection Amendment Act 2002
14. The Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act 2006
15. National Green Tribunal Act 2010

sources: 

Link 1: https://www.ranthamborenationalpark.com/blog/wildlife-conservation-initiatives-indian-government/

Link 2: http://www.mindmapcharts.com/index.php/gk/environment/120-important-environmental-acts-in-india