Explanation:

Tangri river, also called Dangri river, originating in Siwalik Hills, is a tributary of Ghaggar river in of Haryana state of India.The Dangri or Tangri is a stream that rises in Morni Hills of the Siwalik Hills of south-eastern Himachal Pradesh in India,and flows for 70 km in Haryana.It confluences with the Markanda at Haryana-Punjab border north of Sadhpur Viran in northwest Kurukshetra district and south of Mehmudpur Rurki in south Patiala district. The combined Dangir-Markanda stream merges with the Sarsuti river in northeast Kaithal district east of Diwana and southwest of Adoya, before joining the Ghaggar river just east of Dhando village near Kasoli town in northwest Kaithal.It is thereafter known as the Ghaggar.