Tenders for Annual Maintenance And Recharge Of Wireless Modem For Networking Of Data Logger Of Auto Hut 1, 2, 3, 4 At Mhri, Ggl, Mohr, Bmw, Dghl, Jhj, Ppde, Plhw & Control 2 Modem And Remote Monitoring Unit At Mwc, Anvt, Adham, Sahadra Hut For 4 Years.