What is true about the second green revolution in India?

1. It aims at further increasing the production of wheat and rice in areas already benefited from the green revolution.

2. It aims at extending seed-water-fertilizer technology to areas which hitherto could not  benefit from green revolution.

3. It aims at increasing yields of crops other than those used for the green revolution in the beginning.

4. It aims at integrating cropping with animal husbandry, social forestry and fishing

Select the correct answer from the code given below

47th B.P.S.C. (Pre) 2005