Step 1: Understanding minting authority.
Coins in India are issued and minted by the Government of India under the Coinage Act.
Step 2: RBI’s role.
While RBI issues currency notes (except one rupee note), coins including the one rupee coin are issued by the Government of India.
Step 3: Analyzing the options.
(A) Reserve Bank of India – Incorrect, RBI issues notes, not coins.
(B) State Bank of India – Incorrect, not authorized to issue coins.
(C) Government of India – Correct, authority to mint coins.
(D) Commercial Banks – Incorrect.
Step 3: Conclusion.
Thus, the one rupee coin is minted by the Government of India.