In India who regulates the money supply?_x000D_ 1. Reserve Bank of India_x000D_ 2. State Bank of India_x000D_ 3. NABARD_x000D_ 4. Commercial Banks_x000D_ Select the correct answer from the code given below -

• A. 1 only
• B. 1 and 2
• C. 2 and 3
• D. 1, 2, 3 and 4