Why did we need to improve the agriculture in Bengal arise?

Economy of West Bengal, a state in eastern India, is primarily dependent on agriculture and medium-sized industry, although services and heavy industries play an increasingly significant role in the economy of the state. A significant part of the state is economically backward, namely, large parts of six northern districts of Cooch Behar, Darjeeling, etc
^[1] Years after independence, West Bengal was still dependent on the central government for meeting its demands for food; food production remained stagnant and the Green Revolution bypassed the state. , and the state is now one of the few Indian states with a surplus in food production. It is one of the most important food producing states in India, producing nearly 20% of the rice and 33% of the potato yield, although accounting for only 15% of the population of India.