His song "Unakkena Iruppen" was nominated for the National Film Awards in 2005 which became widely popular.

His grandfather P. S. Ganapathy was an organiser of mic-less Carnatic concerts in the 60s under the name "Aalapanaa", and his grandmother Smt.

His father G. Seshadri is an artist through AIR, and a bank employee, and his mother Latha, a librarian in P. S. Senior Secondary School.

[1] Since then he has recorded several hit numbers for various music directors across the south, predominantly in Tamil, Kannada, Telugu and Malayalam languages.

In 2012, Haricharan sang alongside Rajinikanth for the song "Maattram Ondrudhaan Maradhadhu" from soundtrack of Kochadaiiyaan, which was composed by A. R. Rahman and released in 2014.