in 1919, the 66th, 76th and 82nd punjabis participated in the third afghan war. in 1921–22 a major reorganization was undertaken in the british indian army leading to the formation of large infantry groups of four to six battalions in 1922. among these was the 1st punjab regiment; most senior among the infantry regiments of the indian army. the line-up of battalions for the 1st punjabis was: