Tender For cleaning of 260 km sewer system ,its repair and maintenance including,trunk & fecal line, gully chambers , oxidation ponds in sectori,ii,iii,iv, v,vi,viii, ix, xi, xii, camp-ii, ellora hostel, t&d,adm,hscl adm. & cisf barrack up to oxidation ponds in township at b.s.city.for 03 years.