An elderly emaciated female patient presented with recurrent lower abdominal pain associated with nausea and vomiting due to obstruction of the small bowel. Although the Howship-Romberg sign and tender mass on digital rectal examination could not ascertained but plain X-ray abdomen shows features of acute intestinal obstruction. After resuscitation laparotomy was done and diagnosed as case of strangulated obturator hernia of Ricters type. Reduction of hernial content and resection of the gangrenous part of small bowel with end-to-end anastomosis done. The hernial defect is repaired by a proleine mesh. Abdomen closed in layers keeping a drain in right iliac fossa and pelvic cavity. The postoperative recovery was uneventful. Patient discharge with advice on 9th postoperative day.