The 108th Infantry were an infantry regiment of the British Indian Army. The regiment traces their origins to 1768, when they were raised as the 1st Battalion, Bombay Sepoys. The regiments first action was during the Mysore Campaign in the Third Anglo-Mysore War. The Battle of Hyderabad followed in 1843, then the Second Afghan War. During World War I they remained in India with the 9th (Secunderabad) Division on training and internal security duties.