Tender For corrigendum : supply of 10 kva ups system in (1+ 1) parallel redundant equal load sharing config with power spds and acdb , amc of ups system for 5th year after completion of defect liability period , amc of ups system for 4th year after completion of defect liability period , amc of ups system for 3rd year after completion of defect liability period , installation of ups as per technical specifications and tender terms & conditions , 2v vrla battery in dual string for 4 hrs backup for 10 kva ups as per technical specifications , installation & commissioning of battery banks , amc of ups system for 1st year after completion of defect liability period , amc of ups system for 2nd year after completion of defect liability period , dismantaling of ups as per technical specifications and tender terms & conditions