What is the Green Revolution and state one benefit and one drawback of it.

The Green Revolution was the sharp rise in food grain production from the late 1960s, brought about by high-yielding varieties of seed together with chemical fertilisers, pesticides and assured irrigation. It made India self-sufficient in food grains. It also caused heavy dependence on chemical inputs, depletion of groundwater and a widening gap between irrigated and rainfed regions.

No citable source has been recorded for this record. Treat it as practice material, not as fact.

Explanation

Its gains were concentrated in wheat and rice and in a few states.