Which Five-Year Plan in India was based on the Harrod-Domar model?

Correct option is A

The correct answer is (a) First Five-Year Plan
The First Five Year Plan of India was based on the Harrod Domar Model.
First Five-Year Plan of India:
 It was launched for the duration of 1951 to 1956, under the leadership of Jawaharlal Nehru.
 It was based on the Harrod-Domar model with a few modifications.
 Its main focus was on the agricultural development of the country.
 This plan was successful and achieved a growth rate of 3.6% (more than its target of 2.1%).