Kalyani is 1952 Tamil Drama film was directed by T. G. Raghavacharya and Mohammed Mastan and produced by T. R. Sundaram under his productions Modern Theatres. The film script were written by Ko. Tha. shanmugasundaram. Music by S. Dakshinamurthi and G. Ramanathan assets to the film. It stars M. N. Nambiar, B. S. Saroja played lead with D. Balasubramaniam, M. G. Chakrapani, T. P. Muthulakshmi played portraying supporting role. The bold tackled the story of mentally deranged man. The film was heavily inspired by American Classic film The Snake Pit in 1948. Kalyani film was made in Telugu under the title as Atthainti Kaapuram in 1952.