Femoral pertrochanteric fracture is one of the most frequently occurring fractures in the elderly, usually following trivial trauma. In the younger age group of people, it occurs almost always due to high velocity trauma. Objectives: This study aimed to study the functional outcome of operative management of unstable intertrochanteric fracture treated by intra medullary nailing. The results have been studied in depth with a view to outline guideline for better management of this fracture.