Indian Railways Official Android app for Portable Reader by CRIS. Portable reader android app is Indian railways app which lets its user to write the data on to the using this application. To use this application, users require user id and password which is provided by CRIS. After logging in users have to fill metadata to process, user have to select type of asset which is being tagged by user and location(i.e. workshop) place where user is writing data on to the tag. After filling metadata users have to connect to the reader by clicking on the name corresponding reader from list of Bluetooth devices. Features: ● Fill required data and initialize tags. ● Update tag ● Read tag. ● Send data to the server. ● Check today’s data of tags which is available on the server by a particular user.