Nalla Thanka is a 1950 Indian Malayalam-language mythological film directed by P. V. Krishna Iyer and produced by K. V. Koshy and Kunchacko under the banner of Udaya Studios and K & K Combines.

He then authored the musical opera Nalla Thanka, for the drama troupe Kottakkal Paramasiva Vilasam.

Struck by her appearance and screen presence Kunchacko and Koshy cast her in the title role.

[3] Augustine Joseph, the founder of the Udaya Kerala Natana Kala Samithi was asked to play the main lead.

He had already established himself as a matinee idol in Kerala through his music operas based on Biblical and Mythological stories.

[5] It was Udaya Studio's breakthrough and was one of the earliest commercially successful films in Malayalam cinema.

Concluding he wrote, "Will be remembered as the first mega hit in Malayalam cinema and for its good music.