History Of The 54th Sikhs, Frontier Force: Previously Designated 4th Sikhs, Punjab Frontier Force Captain S. R. Shirley, Compiled by The 54th Sikhs (Frontier Force) was an infantry regiment of the British Indian Army that was raised in 1846 as the 4th Regiment of Infantry The Frontier Brigade. It was located at Ludhiana and was composed of men transferred from the Umballa Police Battalion and the 6th and 11th Regiments of Bengal Native Infantry. In 1847, it was designated as the 4th Regiment of Sikh Local Infantry and became the 4th Regiment of Sikh Infantry in 1857. It was later incorporated into the Punjab Irregular Force, which was later known as the Punjab Frontier Force or the Piffers. The Piffers were responsible for maintaining order on the Punjab Frontier and consisted of five regiments of cavalry, eleven regiments of infantry, and five batteries of artillery, as well as the Corps of Guides.