This paper examines the regional disparities among major states of India. It also identifies the factors responsible for these disparities. Between the triennia 1960-63 and 1982-85 North-Western India (the wheat belt) alone accounted for about 30 per cent of the output gains at all-India level. The other regions, in comparison, performed rather poorly. Technological factors such as H YV-seed, irrigation, fertiliser and mechanisation as well as technology supporting factors like infrastructure are responsible for the disparate growth of agriculture among states. The rank correlation coefficients between these two sets of factors, on one hand, and the output gains on the other are 0.56 and 0.68, respectively.