International competitive bids are invited for supply of optical ground wire (OPGW) package for the ±800 kV Raigarh–Pugalur high voltage direct current (HVDC) transmission line associated with the HVDC Bipole link between Western Region (Raigarh, Chhattisgarh) and Southern Region (Pugalur, Tamil Nadu)- North Trichur (Kerala) project.
