Many thanks for your advice!
This is the list I found in this website. Ideally I should also have some artillery and cavalry officers. I wonder also if there might have been any armed civilians among the campfollowers?
https://wiki.fibis.org/w/Battle_of_Gundamak20 (22?) officers
o 13th Foot (1)
o 44th Foot (5)
o 5th Bengal Native Infantry (3)
o 27th Bengal Native Infantry (2)
o 35th Bengal Native Infantry (1)
o 37th Bengal Native Infantry (2)
o 54th Bengal Native Infantry (3)
o 56th Bengal Native Infantry (1)
o 5th Bengal Light Cavalry (2)
o 1st (?) Bengal Artillery (1)
o 6th (?) Bengal Horse Artillery (1)
50 men of 44th Regiment
4 or 5 sepoys
6 Horse Artillerymen
300 camp followers
Named casualties
• Capt. Thomas COLLINS, 44th Foot
• Lieut. Edward Sandford CUMBERLAND, 44th Foot
• Lieut. John HOBHOUSE, 13th Foot
• Lieut. Arthur HOGG, 44th Foot
• Asst Surgeon William PRIMROSE, 44th Foot
• Lieut. Samuel SWINTON, 44th Foot
• Brevet-Major Henry BELLEW, 56th N.I.
• Lieut. Frederick BURKINYOUNG, 5th N.I.
• Capt. Frederick COLLYER, 5th Light Cavalry
• Capt. William GRANT, 27th N.I.
• Lieut. Charles GREENE, Bengal Artillery
• Capt. Charles William HAIG, 5th N.I.
• Capt. Percy HAMILTON, 5th Light Cavalry
• Lieut. Frederick HAWTRY, 37th N.I.
• Capt. Edward HAY, 35th N.I.
• Capt. Perin HOPKINS, 27th N.I.
• Lieut. Charles HORSBURGH, 5th N.I.
• Lieut. William MORRIESON, 54th N.I.
• Capt. Nicholas Power PALMER, 54th N.I.
• Capt. James Nathaniel RIND, 37th N.I.
• Lieut. Charles STEWART, Bengal Horse Artillery
• Lieu. Henry WEAVER, 54th N.I.