(3) The 2nd year five-yearplan(1956 to 1961), functionedon the basis of Mahalanobismodel that was propounded bthe famous Prasanta ChandraMahalanobis in 1953. It emphasisedthe role of heavy industries.India’s First Five-YearPlan (1951-56) was based onthe Harrod–Domar model withfew modifications.