Answer & Explanation
B) NITI Aayog
The Planning Commission was an institution in the Government of India started by Jawaharlal Nehru, The First Prime Minister of Independent India, in the year 1950. Later, this was replaced by NITI Aayog in 2015 by now and than Prime Minister Narendra Modi to ensure implementation of the Sustainable Development Goals by fostering the involvement of State Governments of India in the economic policy-making process.
NITI Aayog means National Institute for Transforming India. Narendra Modi is the Chairman of NITI Aayog.