In which of the following cases the Supreme Court discussed the development of the “Precautionary Principle”?
1
Vellore Citizens Welfare Forum v. UOI
2
M.C. Mehta v. Union of lndia
3
Rural Litigation and Entitlement Kendra v. State of U.P.
4
A.P. Pollution Control Board v. M.V Nayudu