On 19th August 1757, the first rupee coin was minted by the East India Company in Kolkata (then Calcutta).
It was only in 1835 that a unified coinage system came to India. Before that, the three presidencies - Madras, Bombay, and Bengal - under the Company governance issued their respective coins.?
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Here are some quick facts on the coinage system under the Company's rule.
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coin india
chiefacoins
The coinage and rupee system in the present day India is governed by the Reserve Bank of India which was formally inaugurated in 1935.