Tender For corrigendum : hew 55 up-gradation of sewerage disposal and construction of storm water disposal in sector-2, palwal. (including 2 year defect liability period free of cost) - dnit name : upgradation of sewerage disposal with machinery, contruction of pump chamber with construction of storm water disposal in sector-2 palwal complete in all respect including 2 years mtc and defect liability period free of cost and 2 years operation and maintenance