[3] During the late Vedic period (c. 1100–500 BCE), Videha became one of the major political and cultural centers of South Asia, along with Kuru and Pañcāla.

Shree Airlines and Buddha Air operates their daily flights between Rajbiraj and Kathmandu, the capital city of Nepal.

It connects Supaul to Purnia, Siliguri, Guwahati in the east and Darbhanga, Muzaffarpur, NH327E Patna and Gorakhpur in the west.

Another state highways connect Supaul to its divisional headquarter Saharsa and the nearest pilgrim sites, Singheshwar and Madhepura.

Best city triveniganj Supaul railway station lies on [ Saharsa- Forbesganj sections.