The correct option is C 1956 and 1980
The years between 1956 and 1980 were referred to as the period of planned development. Major dams were built, which catered to irrigation of agricultural fields. These dams initiated power projects in the state. The Green revolution in agriculture helped enhance the production of agriculture. Vast mining activities led to the opening of many industries in the area. During this period, we also saw the rise of a large number of universities and technical institutions, which further improved education in the state.