The Government of India operates four mints for coin production, all managed by the India Government Mint under the Security Printing and Minting Corporation of India Limited (SPMCIL). These mints are located in:
- Mumbai: Established in 1829, it produces coins and commemorative issues.
- Hyderabad: Operational since 1997, it focuses on high-volume coin production.
- Kolkata: One of the oldest mints, established in 1757, producing coins and medals.
- Noida: Set up in 1988, it handles modern coinage requirements.
All four locations are actively involved in minting coins, making option (4) correct, as it includes all listed mints.