Supply And Commissioning Of Secondary Isp Link For 500 Mbps & 1 Gbps 1:1 Dedicated Unshared Internet Leased Bandwidth Requirements Over Fiber At Bseb Hq And 09 (Nine) Regional Offices Of Bseb, Located At Patna, Gaya, Bhagalpur, Muzaffarpur, Purnea, Kosi, Saran, Darbhanga And Munger