supply of installation, operation and maintenance of current train running information and other railway message(one part) and commercial advertisement/news channel (second part) over outdoor led video wall of minimumpitch 10mm of different size through 50:50 time/screen sharing basis at bxr, ara, dnr, ppta, pnbe and rjpb.tenderer will have to quote his/their rate more than the reserve price of 1st year.
