Manju Ray is an Indian scientist and has done notable work in the development of anticancer drug. Her interests cover tumor biochemistry and molecular enzymology. Ray graduated from the Calcutta University with degrees in M.Sc. in Physiology in 1969 and Ph.D in Biochemistry in 1975. She started her career in the Department of Biochemistry, Indian Association of Cultivation of Science, India, and became a professor. She is now a Hon. Visiting Scientist at Bose Institute, India and Distinguished Professor at GLA University, Mathura. Her research has, over a long span of her career in the department of biochemistry at the Indian Association for the Cultivation of Science (IACS), Jadavpur, in association with a team of scientists and doctors that has led to positive development of a drug for cancer treatment. She is an West Bengal Academy of Science fellow and Shanti Swarup Bhatnagar awardee.