The correct answer is (a) C.S.O.
The Central Statistical Organisation (CSO) is the nodal agency responsible for the collection, compilation, analysis and dissemination of statistical information in India. It is a wing of the Ministry of Statistics and Programme Implementation.
The CSO estimates national income indicators such as gross domestic product (GDP), gross national product (GNP), net national product (NNP), and per capita income. It also publishes a number of other statistical reports, including the National Accounts Statistics, the Consumer Price Index, and the Index of Industrial Production.
The CSO is a professional body of statisticians who are committed to providing high-quality statistical information to the government, businesses, and the public. It is a member of the International Statistical Institute and the United Nations Statistical Commission.
The other options are incorrect because:
- (b) N. S. S. O. is the National Sample Survey Organisation, which is a government agency that conducts household surveys.
- (c) Planning Commission is a government body that was responsible for planning the economic development of India. It was abolished in 2014 and replaced by the NITI Aayog.
- (d) Reserve Bank of India is the central bank of India. It is responsible for managing the country’s monetary policy and regulating the financial system.