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. Union of India (Ganga Water Pollution Case)
B M.C. Mehta Vs. Kamalnath and others
C M.C. Mehta Vs. Union of India (Replacing diesel vehicles by CNG vehicles)
D Rural Litigation and Entitlement Kendra Vs. State of U.P
