Katihar, is the tenth largest city in the state of Bihar in India in terms of population, Along with being one of the largest economic, educational and administrative centre in the eastern part of Bih
The Barauni–Guwahati railway line connects Barauni, Saharsa, Purnia and Katihar in the Indian state of Bihar and Bongaigaon, Kamakhya and Guwahati in Assam via Siliguri, Jalpaiguri, Cooch Behar and Al
Katihar Junction railway station is important Station on Barauni –Guwahati Line