Nalla Thangai (transl.

Good Younger Sister) is a 1955 Indian Tamil-language drama film produced and directed by S. A. Natarajan.

The film stars M. N. Nambiar, Madhuri Devi, Rajasulochana, S. A. Natarajan and T. S.

[1] It was released on 5 February 1955.

The lists of cast and crew were adapted from Film News Anandan's database[1] and from the film credits.Dance Music was composed by G.