The first five year plan of India was based on

Correct option is B

The correct answer is (b) Harrod-Domar Model.
· The First Five-Year Plan of India (1951–1956) was based on the Harrod-Domar Model, which emphasized the importance of savings and investment to drive economic growth. The plan primarily focused on the agricultural sector and aimed to tackle food shortages and infrastructural development in the newly independent nation.
Information Booster:
· Mahalanobis Plan:
· The Second Five-Year Plan (1956–1961) was based on the Mahalanobis Model, which focused on industrialization.
· Nehru Model:
· Refers to the overall vision of Jawaharlal Nehru for India's economic development but not a specific model used for the First Five-Year Plan.
· Gadgil Yojna:
· Known as the Third Five-Year Plan's strategy, focusing on agriculture and infrastructure but not related to the First Five-Year Plan.