Chamika Janaprasad Sirimanna was born on the 17th of October, 1980 in Kalutara. He studied at Kalutara Vidyalaya from primary to A/L's.

Chamika was born into a musically talented family and was thereby surrounded with music.  His grandfather Mr. Siril Sirimanna was a lecturer of music while his father, Mr. Susil Sirimanna was a saxophone player.

Chamika had performed and won many awards in his music carrier, such as -

Thurunu Shakthi 2000 – won 1st place at Kalutara district
Thurunu Shakthi 2003 – Won 2nd place at Kalutara district
Thurunu Shakthi 2005 – Won 1st place at Kalutara district
In his carrier, he had performed with a number of bands. They are as follows -
1997 – Super Shine
1998 – Veracions
2001 – Upul & the gang
2005 to 2006 - Rajiv & the clan

Chamika had done several albums too.

In 2006 May – The Super Stars of Tomorrow (Torana) (Mix Album), Api wenwena tharamata,samawela mata kiyanna.
2006 November - sanda raginiya (mix album), sandarajiniya, mage duppath as deka
2007 March - Lassana Aththatu (Own Album) (Nilwala).

‘Api wenwena tharamata’ song won the SLIM awards as the people’s song of the year for 2007.