What is "bommai"

Bommai is a 1964 Tamil suspense thriller film directed by S. Balachander. Featuring a walkie-talkie doll as the main character, the film had an ensemble cast of newcomers, while Balachander, L. Vijayalakshmi and V. S. Raghavan appeared in prominent roles. The film was an adaptation of Alfred Hitchcock's 1936 British film Sabotage.