 A mathematics graduate, with keen interest in electronics and formal music training, he started a professional sound engineering career in 1988.He had engineered over 200 films and worked closely with directors like Mani Ratnam, K Balachandar, Bharathiraaja, Shankar, Kamal Hassan, P C Sreeram, Priyadarsan, Sibi Malayil and Ramgopal Varma.Among Sridhar's many professional credits was the fact that he engineered all songs and background scores for the renowned music director A R Rahman.