Bhavatharani is an Indian Tamil singer and music director. She is the daughter of film composer Ilaiyaraaja and her brothers are the noted film composers Karthik Raja and Yuvan Shankar Raja and has mostly sung songs under her father and her brothers' direction. She was awarded the National Film Award for Best Female Playback Singer in 2001 for her renditon of the song "Mayil Pola Ponnu Onnu" from the film Bharathi, composed by her father Ilaiyaraaja himself. Source: Wikipedia
Who is most successful south Indian actress in bollywood?