Rail Rajbhasha is an Android application developed by the Centre for Railway Information Systems. It is a free app that promotes the use of Hindi in official working for railway employees. The app provides various information related to the use of Hindi in railway offices.

The app offers information on the official language policy of the government, which includes provisions related to the use of Hindi in official communication. It also provides details on various competitions, awards, and incentive schemes introduced by the railway ministry and individual railway zones to promote the use of Hindi.

Furthermore, the app includes a collection of bilingual job titles used in railway offices and a compilation of bilingual phrases commonly used in official communication. The app serves as a useful tool for railway employees who want to improve their Hindi language skills and promote the use of Hindi in their workplace.