The correct option is D 1, 2, 3 and 4
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Green revolution was a package technology aimed to increase foodgrain production in India. It was a part of New Agricultural Strategy of India adopted in 1960's.The package consisted of :
1. New and High Yielding Variety (HYV) of seeds dwarf variety which matures in a shorter period of time and can be useful where sufficient and assured irrigation facilities were available
2. Increased application of fertilizers, pesticides and weedicides
3. It was capital intesive and required agricultural machinery like tractor, seed drills, threshers and harvester.
4. Rural electrification for timely irrigation and other agricultural activities.