In 1947, it was allocated to the Pakistan Army, where it continues to exist as 6th Battalion The Frontier Force Regiment.

[1][2][3] Subsequent to the reforms brought about in the Indian Army by Lord Kitchener in 1903, the regiment's designation was changed to 54th Sikhs (Frontier Force).

In 1914, the regiment's class composition was four companies of Sikhs, two of Punjabi Muslims, and one each of Pathans and Dogras.

During the Second World War, 4/12 FF served with great distinction in the Burma Campaign 2 very distinguished officers from the Battalion were Maj (Later Field Marshal) Sam Maneckshaw of the Indian Army and Maj (Later Lt Gen) Attiq ur Rahman of the Pakistan Army, both winners of the Military Cross.

[4] The battalion has the distinction of having a field marshal, albeit in the Indian Army, Sam Manekshaw who was commissioned in the 4th/12th FFR in 1934, later winning a Military Cross in 1942 in the Burma campaign during World War II.