The correct answer is (c) N.S.S.O.
The National Sample Survey Office (NSSO) is a government agency under the Ministry of Statistics and Programme Implementation (MoSPI) of India. It is responsible for conducting large-scale sample surveys on a variety of topics, including employment, unemployment, poverty, and household consumption expenditure. The NSSO publishes the Periodic Labour Force Survey (PLFS), which is the main source of data on employment and unemployment in India. The PLFS is conducted every five years, with the most recent round being conducted in 2017-18.
The Planning Commission was a government body in India that was responsible for planning the country’s economic development. It was abolished in 2014 and replaced by the NITI Aayog.
The Finance Commission is a constitutional body in India that is responsible for recommending the distribution of central taxes among the states. It is appointed every five years.
The United Nations (UN) is an international organization that was founded in 1945. It is made up of 193 member states. The UN does not collect or publish data on unemployment in India.