The Green Revolution transformed India's agricultural output in the 1960s and 1970s. Which of the following correctly identifies the key features of the Green Revolution in India?

The Green Revolution in India, which gained momentum in the late 1960s, was built around three pillars: (1) High Yielding Variety (HYV) seeds — developed with the contribution of Norman Borlaug (who won the Nobel Peace Prize in 1970) and introduced in India by M.S. Swaminathan; (2) Increased use of chemical fertilisers, pesticides, and irrigation; and (3) Expansion of institutional agricultural credit. The revolution was initially concentrated in Punjab, Haryana, and western Uttar Pradesh — states with assured irrigation and existing agricultural infrastructure. It led to a dramatic rise in wheat production, making India self-sufficient in food grains by the mid-1970s. However, it also raised concerns about regional imbalance, soil degradation, and excessive groundwater use.