The revolt at Lucknow was led by

Begum Hazrat Mahal took active participation in organising the uprising against the British army at the revot of .

Rani Laxmibai led the rebel of Jhansi along with Tantya Tope to fight against the British.

Bakht Khan was a soldier from Bareilly took charge of force to fight against the British and came to Delhi.

Hence, the correct answer is option (A) i.e, Begum Hazrat Mahal