Step 1: Understanding the Green Revolution.
The Green Revolution in India was a period of agricultural transformation that began in the late 1960s. It involved the introduction of high-yielding varieties of crops, chemical fertilizers, and advanced irrigation techniques to increase food production.
Step 2: Analyzing the options.
- (A) 1960: Incorrect. The Green Revolution began in India after the mid-1960s.
- (B) 1966: Incorrect. The Green Revolution began later, in the early 1970s.
- (C) 1970: Correct. The Green Revolution started in India around 1970 with the introduction of high-yielding varieties of wheat and rice.
- (D) 1980: Incorrect. By 1980, the Green Revolution was already in progress, but it began in the early 1970s.
Step 3: Conclusion.
The Green Revolution in India started in 1970, making option (C) the correct answer.
Final Answer:} 1970.