Corrigendum For Tender Notice : P-07/2025-26 Of Se/Omc/Nizamabad Item Description : Supply Of Gps Master Clocks Along With Antenna With Required Coaxial Cable And Digital Time Display Clock Units For Time Synchronization Of Relays At Eht Sub Stations Of Nizamabad Circle With Installation At Free Of Cost. Make: Sands / Sertel / Massibus