In which of the following cases, the Supreme Court applied the doctrine of public trust that the State as a trustee of all natural resources is under a legal duty to protect the natural resources. These natural resources are meant for public use and cannot be converted into private ownership?

• A. M.C. Mehta Vs. Kamalnath and Others.
• B. M.C. Mehta Vs. Union of India (Ganga Water Pollution case)
• C. M.C. Mehta Vs. Union of India (Replacing diesel vehicles by CNG vehicles)
• D. Church of God (Full Gospel) in India Vs. KKR Majestic Colony Welfare Association.