Key Facts about Teesta River

About Teesta River:

• It is a major tributary of the Brahmaputra River and flows through India and Bangladesh.
• Course:
  • It originates from the Tso Lhamo Lake in Sikkim.
  • It then flows to the south, cutting a deep gorge through the Siwalik Hills east of Darjiling (in West Bengal, India).
  • It turns southeast to run through the Sivok Khola pass onto the plains of West Bengal.
  • It then enters Bangladesh, where it joins the Brahmaputra River (known as the Jamuna River in Bangladesh).
  • It is glacier-fed, with sources like Pahurni Glacier, Khangse Glacier, and ChhoLhamo Lake contributing to its flow.
• Tributaries: Major tributaries include Lachung Chhu, Dik Chhu, and Rangpo Chhu on the left bank and the Rangit River on the right bank.
• Hydroelectric Projects and Barrages:
  • In India:
    • Teesta-V Dam,Sikkim.
    • Teesta-III Dam, Sikkim.
    • Teesta Low Dam III & IV, West Bengal.
    • Gajoldoba Barrage, West Bengal.
  • In Bangladesh:
    • Duani Barrage
    • Barakhata Teesta Barrage