Pir Muhammad offered to help Shah Shuja` who was supported by Ranjit Singh against Dost Muhammad Khan. In 1844, a jdgir worth 40,000 rupees in Peshawar was conferred on Pir Muhammad Khan who remained a steadfast ally of the Sikh sovereign.
References :
1. Griffin, Lepel, Ranjit Singh. Oxford, 1905
2. Gupta, H.R., Panjah on the Eve of First Sikh War. Chandigarh, 1956
3. Ali, Shahamat, The Sikhs and Afghans. London, 1947
4. Suri, Sohan Lal, ` Umddt ut-Twarikh. Lahore, 1885-89