Vidya Balan is basically from Kerala and she is very fluent in Malayalam. The actress insisted Santosh Sivan to dub her own voice for the movie Urumi. So the director had to make arrangements in Mumbai so that she should not have to travel all the way to South just for dubbing, claims the sources.
However, Vidya Balan had planned to begin her acting career with a Malayalam movie. She had even got an offer to star alongside Superstar Mohanlal. But movie bossed put on hold the project for some reason and later roped in another actress for the female lead in when it was restarted.