Addendum 1 - KP1/9A.2/OT/043/ICT/19-20 - Upgrade of UPS & 48V DC Battery Charges in National Control Centre (NCC) & Rabai Control Centre ATTACHMENTSADDENDUM NO.1 TO THE TENDER NO.KP1.9A.2.OT.043.ICT.19-20 FOR UPGRADE OF UPS 48V DC BATTERY CHARGERS IN NATIONAL CONTROL CENTRE RABAI CONTROL CENTRE.pdf