The India Government Mint, Kolkata was first established in–

1. 1749
2. 1750
3. 1754
4. 1757

Answer: 1757

Explanation: Initially established in 1757, the India Government Mint in Kolkata, formerly known as the Calcutta Mint, was originally situated near the Black Hole within the old fort, now occupied by the General Post Office (GPO) in present times. This mint, known as the Calcutta Mint, was responsible for the production of coins bearing the mint name Murshidabad.