4th Regiment of Sikh Infantry, Punjab Frontier Force

Known as 54th Sikhs

Chronology

1846 raised by Captain C. MacKenzie at Ludhiana as 4th Sikh Infantry
1846-7 1st-4th Sikh Regiments formed as the Infantry of the Frontier Brigade
1847 became 1st Regiment of Sikh Local Infantry
1851 Frontier Brigade became the Punjab Irregular Force (Piffers) including the Corps of Guides, Punjab Irregular Force
1865 became 4th Regiment of Sikh Infantry, Punjab Frontier Force
1903 became 54th Sikhs (Frontier Force)
1922 became 4th Battalion 12th Frontier Force Regiment
1945 became 4th Battalion (Sikhs) Frontier Force Regiment
1947 allocated to Pakistan on Partition
1957 became 6th Battalion Frontier Force Regiment

The Historical Record of the 4th Sikh Infantry, Punjab Frontier Force. Lahore: Punjab Govt Press, 1887. Available at the British Library, reference: IOR/L/MIL/17/5/4305
The Frontier Force Regiment, compiled by Brigadier W. E. H. Condon 1962. Available online, see below.

Frontier Brigade Wikipedia
Frontier Force Regiment Wikipedia
12th Frontier Force Regiment pakdef.org, now archived.
Frontier Force Regiment defence.pk
WO 374/20814 - service record of Horace Charles Druett flickr.com. He applied for the India Army Reserve of Officers in October 1917 when he was a 2nd Lieutenant in the 5th Battalion East Surrey Regiment. Application form. He was seconded 21st December 1917 and was in India until the end of 1920, at least the latter part with the 1/54 Sikhs FF at Jullundur

Handbook on Sikhs for the use of Regimental Officers by Captain R W Falcon 4th Sikh Infantry, Punjab Frontier Force (lately Officiating District Recruiting Officer, Sikh District) 1896. British Library Digital, British Library itemViewer
"Despatch from General Sir G.F. Milne Commanding in Chief, the Army of The Black Sea dated 11 August 1920" The London Gazette Supplement Publication date: 7 January 1921 Supplement: 32184 Pages: 159-175. From the date of the signature of the Armistice with Turkey to the date of the signature of the Turkish Peace Treaty (10th August 1020). Indian Army regiments mentioned: 28th Light Cavalry, 19th Punjabis, 1/21st Punjabis, 1/25th Punjabis and 1/54th Sikhs.
- Also see Norperforce
The Frontier Force Regiment compiled by Brigadier W. E. H. Condon 1962. Link to a pdf download, PAHAR - Mountains of Central Asia Digital Dataset (MCADD).