Annual Under Ground Drainage Maintenance Work Maintenance Of Underground Sewers, Manholes And Its Sumps And Motors As Well As Replacement Of Broken Manhole Frame-cover With New Manhole Frame-cover Including Fitting And Refitting Work With All Labour Charge And All Other Related Work As Per Nagarpalika Direction At The Chotila Municipality Area Site, Chotila Year 2025-26 For 12 Months