It made us not dependent on importing crucial food grains and became a real good thing to our economy in the long run! (less imports).
Green Revolution began in our country in 1963 when Norman Borlaug (father of Green Revolution across the globe) introduced a high yield variety of wheat here. M. S. Swaminathan has been hailed as the father of Green Revolution in India.
We suffered from shortage of food especially after independence due to famines. Also the population kept growing. Thus a lot of foodstuff was imported. Then in 1965 and 1966 there was severe famine (and also the 1965 war with Pakistan which strained the economy further). Thus the policymakers decided to usher in Green Revolution on a large scale with the aim of achieving self sufficiency in food grains.

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The Green Revolution in India started in the late 1960s. This was the first wave, and its success allowed India to attain food self-sufficiency by the end of the 1970s. However, in this first wave the application of new technologies, consisting mainly of high-yielding varieties (HYVs), was confined to the wheat crop1 in the northwest -- including Punjab, Haryana and western Uttar Pradesh -- and in a small part of the deltaic region of peninsular India. The first wave failed to raise incomes more broadly across the country’s regions. The second Green Revolution wave reached India in the 1980s. It involved a range of crops, including rice and coarse cereals such as maize, jowar (sorghum) and bajra (pearl millet). The latter are important staple foods in some parts of central, western and southern India. The second Green Revolution wave covered a large percentage of the country, and as a result contributed to improving rural incomes, alleviating rural poverty across the country, and fostering India’s economic development