Consider the following statements: 1. The highest deciding body for planning in India is the Planning Commission of India. 2. The Secretary of the Planning Commission of India is also the Secretary of National Development Council. 3. The Constitution includes economic and social planning in the Concurrent List in the Seventh Schedule of the Constitution of India. Which of the statements given above is/are correct?

1. Statement 1 is incorrect. While the Planning Commission was a key body for formulating Five-Year Plans, the National Development Council (NDC), comprising the Prime Minister, Union Cabinet Ministers, Chief Ministers of all States and Union Territories, and Members of the Planning Commission, was considered the highest deciding body for approving the plans. 2. Statement 2 is correct. The Secretary of the Planning Commission traditionally served as the Secretary of the National Development Council (NDC) as well. 3. Statement 3 is correct. Entry 20 in the Concurrent List (List III) of the Seventh Schedule of the Constitution of India explicitly mentions "Economic and social planning". Therefore, only statement 3 is correct.