[1][2] It flows past such towns as Santiniketan, Bolpur, Kankalitala, Kirnahar and Labhpur in Birbhum district in the Indian state of West Bengal.

[3] It is a small river in dry season but overflows its banks during the monsoon.

[4] It is described by Rabindranath Tagore as follows – The local name of a sickle-shaped, channel like curve in the river inspired the title of the novel Hansuli Banker Upakatha (Story of the Sickle-shaped Curve) by Tarasankar Bandyopadhyay, made into a film by Tapan Sinha.

[7] Microliths of crystalline stone and petrified wood from about 1250–1000 BC are found in many places in the Ajay-Kunur-Kopai river system.

You can help Wikipedia by expanding it.This article related to a river in India is a stub.