M.Sc Environmental sciences

Dr. B. R. Ambedkar Open University -yderabad can be the best option for you. BROU offers M.Sc Environmental Science with minimum of two and maximum of four years of duration programme. Course fee: Rs 12,600 (First year)
KUVEMPU University DDE is another option. This University also offering the asked course through distance mode. Please visit http://www.kuvempu.ac.in/eng/DistanceWeb/index.php for more details.

You may check the eligibility criteria from the below link
http://www.pondiuni.edu.in/content/eligibility
Hope it helps
Thank you.

No, there is no entrance test. For more information click here
https://www.shiksha.com/science/course/m-sc-in-environmental-science-and-management-patna-university-119693
Hope it helps you well.