Tender For corrigendum : comprehensive annual maintenance contract for three years for all the equipment installed for signalling system along with dcs but excluding ups for complete phase i stations of green line (svsa-sdhm) including systems installed at occ, dser & depot.
Tender For comprehensive annual maintenance contract for three years for all the equipment installed for signalling system along with dcs but excluding ups for complete phase i stations of green line (svsa-sdhm) including systems installed at occ, dser & depot.