Watching TV just happily which Karthick relishes as his best relaxation. Enjoys his ride, on Chennai roads, in his favorite Kinetic Honda and Santro Car. He enjoys watching MGR films and Mythological Telugu movies and listens to MKT, TMS, SPB, Ghantasala and C.S.Jayaraman songs. Karthick is a Great fan of GNB, Balamurali, S.Kalyanaraman and Ilayaraja’s music and feels happy to listen to Yanni, Phil Collins & Sinead O Connor.

Karthick is also an amateur actor, humorist, lyricist and painter. He has acted in TV dramas in school days, as Emperor Akbar in an opera conducted by Smt.Charumathi Ramachandran and has actively involved himself in the ‘Samskrita Ranga' participating in the Sanskrit dramas. His sense of humour, enthusiastic participation and witty answers won him great admiration in the TV shows like Nayyandi Durbar, Ari-Giri Assembly etc. He has also been a Guest Speaker in the Humour Club International. Karthick has also modeled for an advertisement for RPG Mobile Phone.

Other Tit- bits 
Life Member of Thiagaraja Vidwath Samajam.
Life Member of Youth Association of Classical Music (YACM).
Ex- Cultural Secretary of Vivekananda College.
Innumerable prizes in School / College Competitions.
Associate Member of Vivekananda College Alumni Association.
Life Member of Humour Club International.
Member in Madras Voluntary Blood Donors Directory.
Member of Hindu Higher Secondary School Cricket Team.
School Champion in Table tennis.

Human-side

Karthick is also very active in humanitarian activities such as blood donations. He has donated 41 times till date. He has also pledged his eyes after his death with Sankara Nethralaya. Karthick also lends his support for philanthropic organizations like Spastic Society of India, Lions Club, Rotary club etc. Karthick participates in benefit concerts for Earthquake victims, Kargil Soldiers, Flood relief, Cancer cure, Fund raising concerts for School Building fund etc.