With modern surgical concept  & surgeons of newer generation  are trained to practice in super specialties & multidisciplinary teams  like urology, orthopedics, neurosurgery, maxillofacial,reconstructive,vascular, gastrointestinal, thoracic  etc.  In austere scenario,atHostile conflictcondition surgeon should be competent enough for life & limb saving surgery with knowledge of all relevant subspecialty & superspeciality. These wounds have minimal resources&varied working conditions. Various improvisation & compromises are required for management decision. In such areas different echelons of care are provided by different surgeon’s, constraints of tactical situation, mass casualty management with principles of triage, wound pathology by bullets, bombs & blast, terrain specific catastrophe like frost bite, trench foot in snow or heat stroke in desert.