Comprehensive maintenance of following capacity WAC and Split AC unit and its associated power feeding arrangement, Comprehensive maintenance of AFD system of the entire building- Burdwan TE, Comprehensive maintenance of AFD system of the entire building- Katwa TE, Comprehensive maintenance of AFD system of the entire building- Memari TE, Operation of Electromechanical services at Burdwan Main TE, Katwa TE and Memari TE