Vasundhara Devi, known by her stage name Kanchana, is an Indian actress who worked in Tamil, Telugu, and Kannada films, in addition to Malayalam and Hindi films.

Thangai is a 1967 Indian Tamil-language action film, directed by A. C. Tirulokchandar and produced by Balaji. The film stars Sivaji Ganesan and K. R. Vijaya, Kanchana with K. Balaji, Nagesh in supporting roles. It was released on 19 May 1967. The film was remade in Telugu as Chelleli Kosam in 1968.