Explanation:

- Option 1: Reserve Bank of India (RBI)

- The RBI issues currency notes in India, except for the ?1 note. This is because the RBI handles denominations above ?1.

- Option 2: Ministry of Commerce

- This ministry is not involved in issuing currency notes. It focuses on commerce-related policies and international trade.

- Option 3: Ministry of Finance

- Responsible for issuing ?1 currency notes. This is because the ?1 note is considered a coin under the Coinage Act and is issued by the central government, hence the Ministry of Finance.

- Correct Answer

- Option 4: Niti Aayog

- This is a policy think tank of the Government of India, not involved in currency issuance.