The first 5 year plan of the Government of India was based on the:

Correct option is A

The correct answer is (a) Harrod-Domar model.
· The First Five-Year Plan of India (1951-1956) was based on the Harrod-Domar model, which emphasizes the importance of savings and investment to achieve economic growth. The plan focused on the development of the agricultural sector, infrastructure, and energy production to kickstart the economy after independence.
Information Booster:
· Keynesian IS/LM model : Focuses on the interaction of the goods and money markets but was not used for the first Five-Year Plan.
· P.C. Mahalanobis model : Used for the Second Five-Year Plan, focusing on heavy industries and capital goods.
· Gadgil model : Proposed by D.R. Gadgil, focused on decentralized planning and was not used in the first plan.