Chockalingam passed out from the prestigious Film and Television Institute of Technology, Madras (Chennai) after undertaking a 4 year Post-Graduate Course in 1984. He started his career with Doordarshan (1985 to 1989). After Doordarshan he has had a wide ranging experience and exposure of working as Director of Photography in almost all genres of film & T.V. production encompassing News reportage, Sports, Documentary films, Wildlife films, Commercials/TVC’s, Corporate & Industrial films, Educational films, Feature films, specialized Arial Photography and Musicals etc. He was the Director of Photography for the feature film “Swaraj - The Little Republic”, which won the National Award for Best Feature Film on Social Issues in 2003 and also won 7 International Awards.He has also worked on projects of National Geographic Channel, Discovery Channel, Wall Street Journal, TV 5 France and Sony Corporation, Japan.