<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> The Green Revolution in India refers to a period of time when agriculture in India changed to an industrial system due to the adoption of modern methods and technology such as high yielding variety (HYV) seeds, tractors, irrigation facilities, pesticides, fertilizers etc . This was part of the larger Green revolution started by Norman Borlaug, which leveraged agricultural research and technology to increase agricultural productivity in the developing world . Within India, this started in the early 1960s and led to an increase in food grain production, especially in Punjab, Haryana, and Uttar Pradesh during the early phase . The main development was higher - yielding varieties of wheat, and rust resistant strains of wheat . </P> <P> The main development was higher - yielding varieties of wheat, for developing rust resistant strains of wheat . The introduction of high - yielding varieties (HYV) of seeds and the increased quality of fertilizers and irrigation technique led to the increase in production to make the country self - sufficient in food grains, thus improving agriculture in India . The methods adopted included the use of high - yielding varieties (HYVs) of seeds with modern farming methods . </P>

Two north indian states where green revolution took place