tender for tender for supply, installation, operating & maintenance of digital displayinformation system (ddis) at 02 stations of passenger reservation system (prs) andunreserved ticketing system (uts) locations at booking office counter/reservationoffice of railway station of varanasi div. for 05 years in lieu of advertisement. reserveprice mentioned above are excluding gst. gst 18 levied extra on quotted offer price .