Aims & Objectives:To study the role of laparoscopy in diagnosing the unknown abdominal and pelvic pathologies. Methodology: This is a prospective observational study conducted in the department of surgery at RMMCH for the duration of 2 months. Results: This prospective study consists of 60 patients, in which most of the patients comes under the age group of 11-30 years. Majority of females were affected than male patients about 56.6%. According to the indications for diagnostic laparoscopy, number of patients for abdominal pain for evaluation was 50(83.4%) compared to other indications. More number of patients (13) were diagnosed with Koch's abdomen in regard to other diagnosis made after diagnostic laparoscopy. Most commonly used laparoscopic procedure was Biopsy in 33 patients. Among the patients who reported with diagnosis, in 10 patients pre-operative diagnosis confirmed, in 17 patients diagnosis has changed, in 6 patients no diagnosis could be made, and 27 patients were diagnosed after diagnostic laparoscopy. Conclusion: Laparoscopy is helpful in diagnosing and confirming an unknown case made on clinical and laboratory evaluation. It extensively reduces delay in operative intervention and also reduces morbidity and shortens the post-operative recovery interval. It's a low risk procedure and also provides diagnostic accuracy and therapeutic options.