Primary fallopian tube carcinoma is a rare gynecological carcinoma when compared to ovarian malignancies. Fallopian tube carcinoma accounted for 0.3 per cent of all cancers of the female genital tract. Fallopian tube carcinomas are frequently involved in secondarily from other primary sites, most often the ovaries, endometrium, gastro intestinal tract and breast. We, came across one rare case of primary fallopian tube carcinoma presented on post-menopausal bleeding, with adnoxal mass for which laparotomy was done diagnosed to have primary fallopian tube carcinoma intra operatively.