phenomenon of green revolution is basically associated with?

Question

option's are
1.institutional and technological changes in rural india
2.increasing productivity in agricultural sector
3.the problem of rural unemployment and underemployment
4.promotion of agro-based industries in rural sector

Answer 1

The Green Revolution was an agricultural revolution, so 2.
Much of the Green Revolution did take place in India, but it also happened in other third world nations.

http://www.indiaonestop.com/Greenrevolution.htm
http://www.actionbioscience.org/biotech/borlaug.html
http://www.ifpri.org/pubs/ib/ib11.pdf