IndiaIrrigation infrastructure maintenanceClosing soon Annual maintenance of NK tanks and anicuts in Polur, 2026–27 Water Resources Department||CE WRD Chennai Region - Chennai||SE Pennaiyar Basin Circle WRD - Thiruvannamalai||EE Middle Pennaiyar Basin Division-Thiruvannamalai Submission deadline October 23, 2026 at 6:30 AM UTC Contract value Not stated in the notice