Haldi River is a tributary of Hooghly River flowing through Purba Medinipur district . The Keleghai joins the Kansai at Tangrakhali under Mahisadal police station in Tamluk subdivision. The combined stream is called Haldi River. It is 24 kilometres (15 mi) long. It is the last major river to flow into the Hooghly before the latter flows into the sea. The Haldi joins the Hooghly at the industrial town of Haldia.