The institution is country’s major holder of Gold Deposits.
The website is www.paisaboltahai.rbi.org.in. Here, you will find detailed information on how to spot fake currency.
Strange but true!
It also printed 2100 crore pieces of banknotes during the same time. Between, that is not how it earns profit. Source
The Government of India has the sole right to mint coins. The designing and minting of coins in various denominations is also the responsibility of the Government of India.
They just replaced lion with tiger from the entrance gate at Belvedere, Calcutta.