Maintenance Of Switchyard And Transformer Yard Areas 22 Acres Approximately At 220kv Substation, 66kv Substation, Ggsstp, 2x850kw Microhydel Project And Transformer Yard Areas Of 4 X 210 Mw Units, Ggsstp, Roopnagar As Per Scope Of Work 677 /p-2/emp-w- 13148 Dtd 27.10.25