SPMCIL though a new entity is composed of units that have a rich & long history of handling the security printing & minting in the nation.
18th Century- Minting of coins started at Calcutta Mint. In 1790 modern machinery was brought from England and second Mint was established. Bronze, Silver and Gold coins were getting Minted from these mints.
1918- British sovereign were minted during 1918 as the Mint in Mumbai was declared as branch of Royal Mint of London.