The 'Rolling Plan' emphasised on __________.
The rolling plan refers to the plan where there is no fix time period of the commencement and end of the plan. The rolling plan is resourceful to overcome the rigidity. This can be done by mending the targets.
In India, the first rolling plan was introduced in 1978-80. The rolling plan emphasised on the annual review of progress in the implementation of plans.
Thus, the correct answer is D.