The full moon in the month of Chithirai)[1] is a 1976 Indian Tamil-language film, directed by P. Madhavan and written by Balamurugan.

[3] Sengodan's parents are murdered by their zamindar and his sister gets separated from him on Chitra Pournami day.

Several years later, he plans to kill the zamindar, but is shocked upon realising that his sister is now the landlord's cherished and beloved daughter-in-law leading a peaceful life.

Though he keeps tilting towards vengeance and the zamindar continues in different ways to get rid of him manipulating his relationship with his daughter as well as his daughter-in-law, he slowly softens.

P. A. Saleem worked as the choreographer, and the film's final cut measured 3,968 metres (13,018 ft).