Rivers and Lakes of India

Ukai Dam is built across the Tapi River in Gujarat. It is used for irrigation, hydroelectric power generation, and flood control. Option B is related but incorrect because the Sardar Sarovar Dam is on the Narmada River. Exam tip: remember the sequence Ukai–Tapi–Gujarat.

Mettur Dam is built across the Kaveri River in Tamil Nadu. It is important for water storage, irrigation, and hydropower. The Narmada is associated with the Sardar Sarovar Dam, so that option is incorrect. Exam tip: remember Mettur Dam with the Kaveri River and Tamil Nadu.

Mullaperiyar Dam is linked with the Periyar River. For exams remember Periyar and the Kerala region.

Rihand Dam is built on the Rihand River. For exams link it with the Son river system of Uttar Pradesh.

Son River rises near the Amarkantak region and joins the Ganga system. For exams remember Son as a tributary of Ganga.

Son is considered a major right bank tributary of the Ganga. For exams remember right and left bank tributaries separately.

Banas River is a major river of Rajasthan. For exams remember Banas as a river of western India.

The Hooghly is a major distributary of the Ganga and flows through West Bengal. Kolkata lies on its banks, so West Bengal is the correct answer. The Narmada is a major river associated with Gujarat, while Madhya Pradesh and Haryana are not especially associated with the Hooghly. Exam tip: Remember the pair Hooghly–Kolkata.

The Tawa River is a major tributary of the Narmada River in Madhya Pradesh. It joins the Narmada on its left bank. The Tapi is also an important central Indian river, but the Tawa does not flow into it. Exam tip: Remember Tawa Dam along with the Narmada river system.

Umiam Lake is located in Meghalaya. For exams remember it as a famous lake of the Shillong region.

The Bhagirathi and Alaknanda rivers meet at Devprayag in Uttarakhand. After this confluence, the combined river is called the Ganga. Rishikesh and Haridwar lie further downstream on the Ganga, so they are not the confluence site. Exam tip: The river is known as the Ganga from Devprayag.

Alaknanda is a major stream of the Ganga river system. Remember the early streams of Ganga separately.

Tehri Dam is located on the Bhagirathi river in Uttarakhand. Dam and river pairs are important for exams.

Farakka Barrage is located on the Ganga river in West Bengal. Remember river projects with their states.

Gandak is a major tributary of the Ganga. Tributaries of Ganga are important for North Indian geography.

The Kosi river enters India from Nepal. International sources of Himalayan rivers are often asked in exams.

The Brahmaputra is called Tsangpo or Yarlung Tsangpo in Tibet. Remember different names of rivers.

Majuli is a famous river island on the Brahmaputra in Assam. River islands are important in map practice.

The Teesta is an important river linked with Sikkim and North Bengal. Study northeastern and Himalayan rivers on maps.

Hooghly is a distributary of the Ganga flowing through West Bengal. Distributaries in delta regions are asked in exams.