Comprehensive Annual Maintenance Contract Of Integrated Passenger Information System ( Ipis Make M / S Chemito Infotech Pvt. Ltd ) Consisting Of Train Information Display Boards ( Tib ) , Coach Guidance Display Board ( Cgdb ) And Coach At A Glance Display Board ( Agdb ) Installed At Rjpb Station Including Five Line True Colour Train Indication Board At Rjpb Amp Dnr Stations And Gps Based Digital Platform Clock At Different Stations For A Period Of 03 Years Under Danapur Division,