Prashanthini was born in September 28, 1983.She finished Bachelor of computer application.She got married Premnath in 2008 and she has a son named Rithvik. Coincidentally, the movie 12B in which she sang her debut song was released on her birthday. She is the daughter of famous veteran playback singer Malaysia Vasudevan and sister of Yugendran. Her brother Yugendran is also a singer and actor. Started her singing career with Punnagai Poove from 12 B (2001), she has rendered many memorable songs in the past one decade or so. She started her singing career at a very young age of 15. Her debut song was - "Love Pannu". Later she took a break from her singing career and completed her graduation in computer science. In between she has sung a couple of songs for the movies. In 2003, she sang for the movie – Winner and in 2006 – Veyil. Her Ayyayo... (Aadukalam), Lolita... (Engeyum Kaadhal), Enge En Idhayam... (Kandaen) and Ennamo Yedho... (Ko), feature among the top 20 popular songs on FM radio. All the four numbers are melodies that have caught the imagination of the youth. In the world of film music, people are trying to track down this elusive singer with a sweet melodious voice.