While in college, he auditioned for a slot at being a radio host with Radio Midday. That was his first stint in the media. Soon he started hosting live events like fashion shows and product launches. He worked as a compere and event manager for a few years after getting out of college. During this period he got into amateur theatre in Bangalore and acted in a few plays before being spotted by an actor Prakash Belawadi to star in a Kannada television serial he was to direct for the then launching ETV Kannada. Adithya first faced a camera for this serial, Mussanjeya Kathaprasanga. Subsequently, he was featured as the protagonist for another television serial called Soorya Shikari on the same channel directed by comedian Sihi Kahi Chandru.[6][7]
He moved to Chennai in 2001 and scouted for work as an actor. He first appeared in a television serial on Sun TV called Thanthira Bhoomi directed by C. Jerrold and produced by Media Dreams. He then won a role in the TV serial Anni directed by K. Balachander. He kept trying to get into cinema and managed to get two movies as a newcomer. He was cast in Anjaneya and Jay Jay at the same time.[8][9]