Repair/Replacement And Maintenance Of Distribution Transformer And Ht Switch Gears With Connected Items At Cod Adp Sub Stn, Mcc Sub Stn, Cod Sub Stn No 1 To 3, 505 Abw Sub Stn 1 To 6, Me Linesub Stn, Aoc Sub Stn, Mh Line Sub Stn, Hq Dgbr Sub Stn, Nsb/Ge/Elec/D-36/2023-24/2023_Mes_598497_1 (EXPIRED)