Annual Maintenance Contract of sewerage network in the areas of NGGO s Colony, Murali Nagar, Kalinga Nagar, Madhavadhara, Madhavadhara Vuda Layout, Marripalem including all JNNURM colonies and Cleaning of septic tanks of CT/PTs GVMC Community halls, GVMC buildings, Ward Sachivalayams and GVMC schools toilets cleaning by using septic vacuum loaders in ward No.s 49, 50, 51, 53 & 54 under North Constituency in AE(WS&S)-19&20 section in GVMC, Visakhapatnam for the Year 2025-2026.