annual repair and maintenance of non residential building at 3 church lane campus 8 k s roy road and 5 esplanade row west kolkata during 2020 2021 sh day to day yearly maintenance of wooden aluminium doors and windows civil repair work and urgent water supply and sanitary installation and tank cleaning for 3 church lane 8 k s roy road and 5 esplanade row west campus sw hiring of inspection vehicle for site inspection under sub division d ee kolkata i cpwd kolkata.