Necrotizing fasciitis is an infrequent infection characterized by rapid progression and potential fatal affecting subcutaneous tissue and fascia. The underlying predisposing systemic conditions are diabetes mellitus, old age, chronic renal failure, peripheral vascular disease. Patients associated with these infections often have history of trauma like insect bite, abrasion, burns and it slightly occurs more in male patients. It is one of the most challenging infections encountered by the surgeon. Due to difficulty in diagnosis as it is polymicrobial infection and its late management makes this condition more fatal.