Introduction: Ovarian tumours are common in women of all age groups. Around 2, 39,000 new cases of ovarian cancer (OC) are found worldwide annually. The incidence rate is maximum among post-menopausal women. The prognosis of malignant ovarian tumours is the worst in comparison to other malignancies of the female genital tract and they even have the highest case fatality rate. Objectives: To study the clinical features, mode of presentation, assessment of risk factors associated with malignant ovarian tumours and the treatment modality. Material and Methods: A total of 62 cases of malignant ovarian tumours were included in this prospective hospital-based study. Results: Most of the patients (30.65%) were in the age group of 50-59 years. Most of the cases presented with pain in the abdo men=56(90.34%). 53.23% were diagnosed in stage 1of the disease. Primary surgery was performed in 87.1% of cases.54.9% of the patients who presented with features of malignancy were post-menopausal. Conclusion: The mean age of the cases presenting with ovarian tumours was 47.1. Serous cystadenocarcinoma was the most common type of histopathological variety.