Those fulfilling the above inclusion and are not in the exclusion criteria will be participants of the study. The participants will be alternatively divided into two groups. The following investigations were carried out in all patients participating in this study i.e. complete blood count, blood urea and serum creatinine, total serum bilirubin, ALP, SGOT, SGPT, ECG, Chest X Ray-PA view, Urine routine, Ultrasound abdomen and pelvis. Patients of General Surgery undergoing abdominal, pelvic, perineal surgeries are given drug prophylaxis either Silodosin in the form 8 mg tablet or Tamsulosin 0.4 mg 12 hours before the procedure to patients. Group A will be given Silodosin . Group B is Tamsulosin. All patients were closely followed for 24 hours post operatively and any voiding difficulties or urinary retention were recorded. Acute urinary retention was diagnosed when a patient was unable to pass urine, feels pain, has a palpable mass in suprapubic region and encouraging the patient to stand up and walk were unsuccessful and urethral catheterization seemed inevitable. The functional outcome will be evaluated based on VAS score in case of Postoperative urine retention, need for urethral catheterization.