The correct answer is C. The Planning Commission is an advisory body to the Government of India. It was established in 1950 to formulate and implement the Five Year Plans. The Planning Commission is headed by the Prime Minister and has a number of members, including the Finance Minister, the Home Minister, and the Minister of Planning. The Planning Commission is responsible for preparing the Five Year Plans, which are blueprints for the economic development of India. The Five Year Plans are based on the recommendations of the Planning Commission and are approved by the Parliament. The Planning Commission also monitors the implementation of the Five Year Plans and makes recommendations for their improvement.
A Ministry is a department of the Government of India. It is headed by a Minister, who is a member of the Cabinet. The Ministry is responsible for a specific area of government policy, such as the Ministry of Finance or the Ministry of Home Affairs.
A Government Department is a unit of the Government of India that is responsible for a specific function, such as the Department of Revenue or the Department of Defence. The Department is headed by a Secretary, who is a civil servant.
An Autonomous Corporation is a body that is established by the Government of India to carry out a specific function. The Corporation is headed by a Board of Directors, who are appointed by the Government. The Corporation is not subject to the direct control of the Government.