Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Biogeography
In India National Ambient Air Quality Monitoring (NAAQM) programme was initiated by:
1
National Environmental Research Institute
2
Central Pollution Control Board
3
India Meteorological Department
4
More than one of the above
5
None of the above