Which of the following is/are the features of a green revolution?
1. The Green Revolution in India began in the mid-1960s.
2. It is associated with the introduction of high-yielding varieties of seeds and Technical Expertise.
3. In India its chief protagonist was MS Swaminathan, former Director-General of ICAR (Indian Council of Agricultural Research).
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3