Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography
Which major issues affect the Kosi River basin in Bihar?
1
Excessive sediment load
2
Frequent flooding
3
Riverbank erosion
4
More than one of the above
5
None of the above