Col Lord Mark Kerr marched from Benares to relieve Azimgurh which was surrounded by Koer Singh's forces. Although he defeated one rebel force his column was too small to lift the siege.
466 fighting men
Indian Mutiny 1857-58 The British Empire
Col Kerr's despatch Google Books
Capture of Azimgurh Google Books
Azimghur Gazetteer 1857
"Indian Mutiny" by Saul David 2002 ISBN 0141005548
"My Indian Mutiny Diary" by WH Russell 1967 ISBN 0527781207