Assertion (A): Green Revolution has resulted in the growth of food grain production in India.Reason (R): Regional disparities have aggravated due to the green revolution in India.

• A. Both (A) and (R) are true and (R) is the correct explanation of (A).
• B. Both (A) and (R) are true but (R) is not the correct explanation of (A).
• C. (A) is true and (R) is false.
• D. (A) is false and (R) is true.