Custom Bid for Services- Cleaning of drinking water tanks coming under water supply division starting from Hilltop main Reservior IVth Stage Tank III B Sump Screening Plant drinking water tank Valley Canteen Tank 3 Nos Reserviors at WTP 2 Nos Back.., Custom Bid for Services- Cleaning of Raw Water Tanks coming under water supply division starting from Ist Stage Pump House Taranagar Masonry Tank at WTP 2 Nos Sedimentation Tank at WTP 2 Unit of clarifloculators at WTP Dam sump at Taranagar and II..