Siege of Lucknow – Wikipedia

The Siege of Lucknow (Hindi: लखनऊ की घेराबंदी) was the prolonged defence of the Residency within the city of Lucknow during the Indian Rebellion of 1857.After two successive relief attempts had reached the city, the defenders and civilians were evacuated from the Residency, which was then abandoned.

: https://en.wikipedia.org/wiki/Siege_of_Lucknow