Barak–Brahmaputra Express
The 15641 / 15642 Barak Brahmaputra Express is a weekly Express train, which runs between the Silchar and New Tinsukia stations in Assam, India. It comes under the Northeast Frontier Railway zone. This train is named after Indian rivers Brahmaputra and Barak, both of which are two main rivers of Assam and also they are important for connectivity in Barak & Brahmaputra Valley.