Opened on Jan 31st 1948, this Fort museum started with small collections donated by the then Madras Presidency Government and the local church. Presently it has 10 galleries spread over three floors of the oldest surviving building inside Fort St. George. The displays are from the British East India Company and the British Raj times showcasing the coins, art works, armory, furniture, tableware of that era. There is an Indo-French Gallery along with other Indian Royals who have been part of the history of Chennai.

The museum is opened from 9 a.m. to 5 p.m daily and closed on Fridays and national holidays.