Introduction: Primary carcinoma of the fallopian tube is one of the rarest malignant tumors, accounting for 0.3%-0.8% of all gynecologic malignancies. Case Report: A 57 year old postmenopausal female presented with abdominal pain and serosanguinous vaginal discharge of six months duration. A vague mass was palpable in the lower abdomen. Transvaginal ultrasonography revealed bilateral tubo-ovarian masses. Patient underwent abdominal hysterectomy with bilateral salpingo-oophorectomy. On gross examination, uterus, cervix and ovaries were normal. Left and right fallopian tubes were enlarged with irregular greyish white masses in the ampullary region, measuring 6x5x3 cms and 3x2x2 cms respectively. Cut surface was solid cystic with friable greyish white papillary growths on both sides. Microscopy revealed adenocarcinomatous cells showing a papillary growth pattern. A diagnosis of bilateral primary papillary serous adenocarcinoma was made. Conclusion: This case is reported for its rare occurrence.