Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Conservation efforts: India and World
When the Environment (Protection) Act for the protection and preservation of environment was passed by the Government of India?
1
1971
2
1974
3
1986
4
More than one of the above
5
None of the above