Atharva was born as the second child to film actor Murali and his wife, Shobha, on May 7, 1989.In 2009, his father found him an offer to play the lead role in a film to be produced by Sathya Jyothi Films and directed by Badri Venkatesh. Titled Baana Kaathadi, the film launched in March 2009 and had Atharva pair up with Samantha Ruth Prabhu.
The film, which also had Murali making a special appearance, released on August 6, 2010 to positive reviews and his performance was praised, especially Sify wrote: "makes a promising debut and he dances and emotes well". A month after the film's release, tragedy struck Atharva as his father, Murali, deceased of a heart attack
Year later, his next release was Muppozhudhum Un Karpanaigal where he played a youngster suffering from hallunication, film did well and his performance was well-received. Now he is currently doing Paradesi under the direction of Bala.