Comprehensive Annual Maintenance Contract Of Integrated Passenger Information System ( Ipis Make M / S Fiem Industries Ltd. ) Consisting Of Train Information Display Boards ( Tib ) , Coach Guidance Display Board ( Cgdb ) And Coach At A Glance Display Board ( Agdb ) Installed At Different Stations For A Period Of 03 Years Under Danapur Divisioncomprehensive Annual Maintenance Contract Of Integrated Passenger Information System ( Ipis Make M / S Fiem Industries Ltd. ) Consisting Of Train Information Display Boards ( Tib ) , Coach Guidance Display Board ( Cgdb ) And Coach At A Glance Display Board ( Agdb ) Installed At Different Stations For A Period Of 03 Years Under Danapur Division,