Doubling work on Patliputra-Pahleja rail section to complete by July 2021 February 24, 2021 | Electrification, News & Developments Doubling work on Patliputra-Pahleja section of the Digha-Sonepur rail-cum-road bridge doubling-cum electrification project is expected to be completed by July 2021. This content is restricted.