Tender For zone 06 i.e. zonal contract for up-keepment of structures including overhead/elevated structures & under ground structures, sheds, staff quarters, repair & replacement of pipeline, fire hydrants, water supply arrangements, sanitary & drainage arrangements elevated structure (via-duct), rts box including all service buildings sheds, staff quarters at noapara car depot complex including belghoria station (via link line) upto and including dakshianeswar station of metro railway, kolkata.