Why is it in the news?
National Green Tribunal (NGT) directed the Uttar Pradesh government to restore Suav tributary’s status from “drain” to “river” in official records.
The order highlights protection of river ecosystems and correct classification in revenue records.
Category: Geography
Important Points:
● Most important left bank tributary of Ghaghra River
● Historically known as Iravati
● Originates near Rukumkot in Mahabharat range of Lesser Himalayas, Nepal
● Begins at elevation of about 3,050 metres
● Basin includes mountains, inner & outer Tarai, and undulating plains
● Two climatic regions: temperate (mountains) and subtropical (plains)
● Major left bank tributaries: Burhi Rapti and Rohini
● Flows from Nepal into Eastern Uttar Pradesh
