Chinnaponnu was born in Suranam in Sivagangai District in TamilNadu, India. As a child of thirteen years old, she actively participated in several temple festivals and churches. After that, she started to sing in the troupe of Artist Kottaisamy as a professional singer. She used to say him as her mentor. Later she was noticed by Gunasekar who is a member of Communist party. As he is in search of folk songs and folk artist he helped her to explore herself in several parts of the state. By the year 2004, she made her first entry in the Tamil cinemas as a playback singer for the movie Chandramuki song Valthuren Valthuren.
After these performances, she started to appear in several television shows and also approached by several directors. By the year 2008, she made her next major hit Nakku Mukka which appeared in the movie Kadhalil Vilunthen. She received Kannadhasan Award for that Song. She also noted as the Best folk song singer in Tamil. This song also featured in several other versions and won several credits. The changed lyric of this song is made for an Ad film A Day in the Life of Chennai. It credited with two gold Lions from Cannes by the year 2009. Also, the song featured in the Bollywood movie The Dirty Picture.
By the year 2010, for the play Suriyan Satta Kalluri song Theeka Theeka she received the Edition award of the year. By the same year, she appeared in the World Classical Tamil Conference 2010. For the song composed by A.R.Rahman she was one of the notable artists in that theme song. By the year 2010 and 2011, she and her troop were one of the notable acts in the Chennai Sangamam Festival. She featured in the MTV Coke Studio Television series by the year 2011 June, for the episodes Vethalai and Tere Naam. She joined hands with singers Papon and Kailash Kher.
She began her Telugu Industry career by the song Pattuko Pattuko for the talkie Bus Stop with JB and G.Anil in the year 2012. She also published her songs in cassettes. Her first audio tape is Suriya Thoaranam which was released by her Father Bakianathan. Her next cassette is Thannan composed with Gunasekaran and distributed by Communist Party. She also recorded her songs during her childhood age and as an adult, but those records were sold informally. Her Solo Songs include Marikkozhunthae in the year 2005 and Thannane Thannane in the year 2009.