Combined Military Hospital Combined Military Hospitals ( CMHs ) are base hospitals of Pakistan Armed Forces situated in various cantonment s . These hospitals are run by the doctors of Pakistan ' s Army Medical Corps . The administration is carried out by the General Duty Medical Officers ( GDMOs ) while the patients ' management and care is primarily the responsibility of the doctors of specialist cadre . The CMHs are classified into A , B and C classes depending upon their capabilities and generally correspond to tertiary care , secondary care and primary level care hospitals respectively . History . During the British Raj , the Royal Indian Army troops depended for their medical treatment entirely on their regimental hospitals . In October 1918 , Station Hospitals were sanctioned for the Indian troops . The Indian Hospital Corps ( IHC ) initially was divided into 10 Division Companies , which corresponded to the 10 existing Military Divisions in India and Burma . They were located at Peshawar , Rawalpindi , Lahore , Quetta , Mhow , Poona , Meerut , Lucknow , Secunderabad and Rangoon . The whole corps was re - organized on command basis five companies of the IHC were created in 1932 . No 1 Company was at Rawalpindi , No 2 Company at Lucknow , No 3 Company at Poona , No 4 Company at Quetta and No 5 Company at Rangoon . The World War II was responsible for rapid developments . The idea of having a homogeneous corps by amalgamating Indian Medical Services , Indian Medical Department ( IMD ) and Indian Hospital Corps gradually took shape and Indian Army Medical Corps ( IAMC ) came into being on 03 Apr 1943 . The medical institutions of the IAMC were concentrated in the areas , which were to subsequently become Pakistan . The British Raj in India had left its legacies in the territory , which later became Pakistan . The bulk of the troops of the British Indian Army were recruited from the areas , which became Pakistan . The threats of the Russian empire and a fear of Afghans and Central Asians overrunning the Indian territory had made the British rulers wary of the northwestern borders across the Hindu Kush mountains . The army was deployed at large scale . Rawalpindi was the pivotal military base , from where they controlled the command , logistics and services provided to those troops . It was the Headquarters , Northern Command India . Armed Forces Medical Services were one of the most organized and highly developed support services in the British Indian Army . The members of the medical profession served in the IMS ( Indian Medical Services ) , with pride and dignity . The senior jobs in civil medical services were also reserved for the medical professionals of the army . The troops of British Indian Army were deployed over an extensive area . They were exposed to the tropical climate . They were present in the heights of Chitral in the north - west to Burma in the east . The major bulk of their health related problems were of tropical infections and parasitic infestation . The medical services were committed for the prevention and treatment of tropical diseases . Rawalpindi was the headquarters of the northern Command of the India . Combined Military Hospital ( CMH ) and Military Hospital ( MH ) were the largest and the most well - equipped hospitals in this area at that time . Role and task . Medical Treatment CMHs provide in - door and out - door medical and surgical treatment to the entitled population . Training CMHs serve as training centres for medical cadets , internees , post - graduate fellowship trainees , nursing cadets and nursing officers , and the paramedical staff . Preventive Health The CMHs also over - see the preventive aspects of health care provision in the cantonments . Health surveillance Health surveillance of the military personnel is done through annual medical check - ups Research and development This is done as isolated local projects in individual hospitals or as a part of army wide studies in all CMHs on subjects related to health of troops . Class ' A ' hospitals . A Brigadier is the " Commandant " of an ' A ' class hospitals , who is assisted by a second - in - command — a Colonel . Class ' B ' hospitals . A Colonel is the Commanding Officer of the hospital Class ' C ' hospitals . Lt Col is the commanding officer of the hospital See also . PAF Hospitals PNS Hospitals