Koilsagar LIft Irrigation Scheme- Operation & Maintenance of Stage- I Pumping Station at Nagireddypally, V, narva, M, Stage- II Pumping Station at Teelair, Marikal, Narayanpet District for the year 2022- 2023 for the period of 9 months i.e. 11. 02. 2023 to 10. 11. 2023- Major Repairs/ Replacements under 0. 75 % provision- Sub- estimate for Repairs/ Replacements to Ventilation Duct in Koilsagar Lift Irrigation Scheme of Stage- I Nagireddypally, V Narva, Narayanpet District, 2nd call.