Total Hip Replacement surgery is a common surgery in end stage hip arthritis. Limb Length Discrepancy (LLD) in THR is an inevitable complication if not in all but few certain patients with THA. Also, it is an Important yet least studied aspect as a complication following this surgery. Hence to, understand the factors which cause & influence this condition, this study was conducted with an objective to know the implications of clinical parameters like hip movements & their range of motions, preoperative limb length measurements of affected arthritic hips & change in limb length after Total hip replacement surgery. Moreover LLD studies in Indian patients are very few. This Study included 36 Total hip replacement surgeries from 34 patients (with 2 patients having bilateral involvement). Standard lateral surgical approach was used in all the patients. Most common cause of pathology affecting the hip arthritis was AVN (osteonecrosis) of hips[3]. The definitive difference between preoperative and post-operative limb length was noted. Change in LLD from preoperative to postoperative interval was significant with pvalue of 0.001 so the groups had a highly significant difference in LLD measurement. The change in all the movements of operated hips showed a gradual increase in further follow-ups and flexion component having better improvement in range of motions. Average Preop LLD of 15 mm was found and post-op, the median LLD noted was just 5mm which signifies good improvement.