Hello boyz I want collect some inforamtion for Reserve Bank of India (RBI) mint coins, from which sourses can I get information regarding to RBI mint coins?

Reserve Bank of India (RBI) is India's central banking institution, which controls the monetary policy of the Indian rupee.

India Government Mint operates four mints in the country for the production of coins. They are in:

Mumbai, Maharashtra
Kolkata, West Bengal
Hyderabad, Telangana
Noida, Uttar Pradesh

Under The Coinage Act, 1906, the Government of India is charged with the production and supply of coins to the Reserve Bank of India (RBI).

Marks on mint

Each currency coin minted in India (and anywhere in the world) has a special mint mark on it to identify the mint.
A postcard depicting the mint.
Bombay (Mumbai) Mint
Main article: India Government Mint, Mumbai

Bombay (Mumbai) Mint has a diamond under the date of the coin (year of issue). The proof coins from this mint have a mint mark ‘B’ or ‘M'.

Calcutta (Kolkata) Mint
Main article: India Government Mint, Kolkata

Calcutta mint has no mark under the date of the coin (year of issue). Or it has a "c" mark.
Hyderabad Mint
Main article: India Government Mint, Hyderabad

Hyderabad Mint has a star under the date of the coin (year of the issue). The other mint marks from Hyderabad include a split diamond and a dot in the diamond.
Noida Mint
Main article: India Government Mint, Noida

Noida mint has a dot under the year of issue (coin date).

RBI profile
Established 1 April 1935; 81 years ago
Governor Urjit Patel
Central bank of India
Currency Indian Rupee
Reserves US$ 363.00 billion
Bank rate 6.25%
Interest on reserves 4.00%(market determined)