This office required the budgetary offer for the work mentioned below from experienced vendor in Transformer work. A. Replacement of Buchholz relay isolation valve, Main Conservator Oil Inspection glass & PRVs for 200MVA, 220/132 kV, ICT No. 1 Make M/s EMCO at 220kV Theur Substation. B. Replacement of existing Main Conservator & replacement of Valves of different sizes of 50MVA ,220/22kV, TF no.5 Make M/s BHEL (AVAL repaired) at 220kV Theur Substation.(dt.15-05-2019)