Background: Adult acute large bowel obstruction is an infrequent cause of acute intestinal obstruction and is an emergency condition that requires early identification and intervention. It is associated with significant morbidity and mortality, especially if it progresses to bowel ischemia. The aims of this study was to analyse various modes of presentation of acute large obstruction, etiology, age distribution, sex incidence and various therapeutic modalities of treatment and complications. Materials and Methods: This is a study of adult patients with acute large bowel obstruction over a 3-years period. The diagnosis of acute large bowel obstruction was made from history, clinical examination and radiographic features. Various surgical procedures carried out, complications were recorded and analysed. Results: : A total of 50 patients aged 20-80 years, with a median age of 50 years, presented with features consistent with large bowel obstruction. Of these, 35 had sigmoid volvulus of which three were gangrenou and majority were offered sigmoid colectomy and primary colorectal anastomosis with or without covering ileostomy and three treated with hartmann procedure. Fifteen patients had colon cancer, three had left hemicolectomy and primary colocolic anastomosis; three, sigmoid colectomy and primary colorectal anastomosis; one, anterior resection and primary colorectal anastomosis; three decompressive colostomy and two, right hemicolectomy and primary ileocolic anastomosis; three, hartmann's procedure. four cases had wound infection, 3 cases had respiratory tract infection and two cases had anastamotic leak. Operative mortality occurred in three patients with sigmoid volvulus. Conclusion: This study on acute large bowel obstruction provides knowledge about disease burden in our geographical area and various aspects of management.