Mahadevi is a 1957 Tamil-language Action Drama motion picture directed by Sundarrao Nadkarni and Sundar Rao Nadkarni and produced by Sundarrao Nadkarni, Sundar Rao Nadkarni and B. Radhakrishna under the banner of Sri Ganesh Movietone. Mahadevi features M. G. Ramachandran in the title role along with an ensemble cast including Savithri, Chandrababu, O. Ak Devar, A. Karunanidhi, T.p. Muthulakshmi and M.n. Rajam. The screenplay is written by Kannadasan which is inspired from Punya Prabhav by R. G. Katkari. The music was composed by Viswanathan-ramamoorthy. Cinematography was done by G. K. Ramu and editing by P. Venkatachalam. The film has a running time of 160 mins. It was released on 14th May 1957.