Mahadevi is a 1957 Indian Tamil-language film directed by Sundar Rao Nadkarni and written by Kannadasan.

The victorious king has an adopted daughter Mangamma and a son.

Karunakaran hatches various evil plans to get her, but in the meantime, Mahadevi falls in love with the other commander, Vallavan.

When Mangamma learns of her husband's plans to kill Mahadevi's baby, she replaces her baby with Mahadevi's, causing Karunakaran to kill his own child.

[4][5] [6] The dialogue "Mananthal Mahadevi Illaiyel Maranadevi" uttered by Veerappa became hugely popular.