OPERATION AND MAINTENANCE OF UNDER GROUND DRAINAGE SCHEME IN ALL RESPECT THAT IS ALL THE COMPONENTS EXECUTED UNDER THIS TENDER MAINLY INCLUDING ESTABLISHMENT CHARGES AND ALL MATERIALS ON REPAIRING OF PIPE LINE AND OTHER CIVIL WORKS AS PER THE DETAILED SPECIFICATION AND OBLIGATORY REQUIREMENTS INCLUDING DISPOSING OF SEWAGE AND SATISFACTORY MAINTAINING THE RECORD FOR SAME (EXCLUDING POWER COST) MAINTENANCE FOR ALL PROJECTS UNDER SELF - FUND/GRANT YEAR 2025-26 (SECOND ATTEMPT)