Introduction: One of the most common fractures encountered are the fractures of femoral shaft. Intra-medullary nailing provides speedy recovery, early mobilization and early pre-fracture state achievement and decreased complications. Objectives: To determine the outcome of management of closed femoral shaft fractures with Intramedullary Interlocking nailing based on Thorasen B.O., et al score. Methods and Materials: 35 inpatients of Department of Orthopaedics, with fracture shaft of femur surgically treated with IMIL nailing selected. A careful history and Informed consent taken from the patient and the attender. Detailed clinical examination done for the patient and decided whether the patient comes under the inclusion criteria. Radiographic evaluation included anteroposterior and lateral radiographs of full length of femur.