Installation of 10 M Long Double arm solar Street light at 17 nos. location and 25 M long Octagonal High Mast Tower at 2 nos. location with 6 Nos. of Solar light at Barwa Adda Panagarh section of NH-19 from Km 398.240 to Km 521.120 in the state of WB — Bihar Tender | BiharInfraTales