Tggenco-Ytps-Up Keeping Of Toilets, Urinals And Maintenance Of Sewage Pipe Lines And Manholes At Various Locations In Office Sheds And Store Office Building Of Yadadri Thermal Power Station, At Veerlapalem(V), Dameracherla(M) In Nalgonda Dist From 01.04.2026 Or Actual Date Of Commencement Of Work To 31.03.2027