Competitive bids are invited works for replacement of insulator disk for the 132 kV Kallyanpur–Lalbag circuit-1 and 132 kV Kallyanpur–Lalbag circuit.-2 transmission line (from tower number 41 to 71). [total set of insulator string-240 10 disk/set controlled by 132/33 kV Kallyanpur grid substation].

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