Purnia Junction, station code PRNA, is the railway station serving the city of Purnia in the Purnia district in the Indian state of Bihar. The Purnia Junction railway station is connected to most of the major cities in India by the railway network. Purnia lies in between Katihar-Jogbani section. Purnia has trains running frequently to Delhi and Kolkata. Purnia is well connected with Katihar, Jogbani through daily passenger and express train services. Currently, the Indian Railways has floated tenders to modernize Purnia Junction.HistoryPurnia Junction is situated on Katihar-Jogbani broad gauge railway line of North East Frontier Railway (NFR). This railway line earlier was metre gauge. Another standard gauge line of East Central Railway (ECR) connects Purnia with Saharsa via Banmankhi. Conversion of the 36 km long Purnia-Banmankhi stretch in Purnia-Saharsa section to broad gauge project is completed in 2016. There are daily and weekly trains to Kolkata, New Delhi, Patna, Darbahanga and other neighboring cities.There are many passenger trains available to Katihar junction, Saharsa and Jogbani