Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Economy National Income Accounting
In which year was 'NSO' formed by merging 'Central Statistics Office' and 'National Sample Survey Office'?
1
2019
2
2017
3
2018
4
More than one of the above
5
None of the above