who among the following was the chairman of Planning Commission when the first five year plan was started?

Correct option is D

The correct answer is option (d) Jawaharlal Nehru

​The Planning Commission of India was established in 1950, and the first Five-Year Plan began in 1951. The first Chairman of the Planning Commission was Jawaharlal Nehru, the first Prime Minister of India.

Information Booster :-

•  Sardar Vallabhbhai Patel was the first Deputy Prime Minister and first Home Minister of India.
  
•  Harendra Coomar Mookerjee was the first Deputy Chairman of the Planning Commission of India, which was established in 1950.
  
•  Dr. Rajendra Prasad was the first President of India (1950–1962).