Correct option is D
The duration of the Rolling Plan in India was 1978-1980.
· The Rolling Plan is a plan in which every year the performance of the plan is assessed and a new plan is made next year based on this assessment. Thus, both the allocation and targets are revised during this plan.
· Rolling Plan was the sixth five-year plan introduced by the Janata Government for the time period 1978-83, after removing the fifth five-year plan in 1977-78.
· First Five-Year Plan- It was based on the Harrod Domar Model