J. S. Grewal [1970 Batch] sent in this very interesting excerpt from a book he is reading “The Frontier Scouts” by Charles Chenevix Trench, in which he came across a reference to an Old Cottonian – Lt. Sharif Khan aka Sharifo . There was an incident  where he [Sharifo] was burying a fellow officer Andrew McKenzie, he mentions the Lord’s Prayer and how remembered the prayer from his days at Bishop Cotton School Simla:
Additional reading: Quoted from THIS webpage
In 1944, Khojak Brigade on Baluchistan frontier was disbanded. In March 1945 Tal Brigade was disbanded and some of its units were assigned to Kohat Brigade. In April 1946, Indian army Commander-in-Chief Field Marshal Claude Auckinleck presided a high-level conference at Peshawar. It was attended by Governor NWFP, Agent to the Governor General Baluchistan, British counsel at Kabul and senior military and civil officers. A unanimous decision was reached to replace regular troops in tribal areas with scouts and khassadars. It was to be gradual withdrawal in five phases and to be completed in two years. It was with this background that Pishin Scouts were raised and decision was made to raise Central Waziristan Scouts and retrain Malakand battalion. Khyber Rifles was re-raised on 26 April 1946. The nucleus was from war time raised Afridi battalion. Lieutenant Colonel Muhammad Sharif Khan ‘Sharifo’ (5/10 Baluch Regiment) was appointed commandant of Khyber Rifles. Khassadars were to be trained and disciplined to make it a reliable partner of scouts. To achieve this objective, in 1946, a new position called district officer in charge of Khassadars was created. In 1946, in North Waziristan about two thousand khassadars were put under the command of Frank Leeson.