Geography Prelims Question

The Ravi is an important tributary of the Indus. It rises west of the Rohtang Pass, in the Kullu hills of Himachal Pradesh and flows through the Chamba valley of the state. Before entering Pakistan and joining the Chenab near Sarai Sidhu, it drains the area lying between the south-eastern part of the Pir Panjal and the Dhauladhar ranges.
The Kosi is an antecedent river, with its source to the north of Mount Everest in Tibet, where its main stream Arun rises. After crossing the Central Himalayas in Nepal, it is joined by the Son Kosi from the west and the Tamur Kosi from the east. It forms Sapt Kosi after uniting with the river Arun.
The Mahananda is an important tributary of the Ganga, rising in the Darjeeling hills. It joins the Ganga as its last left bank tributary in West Bengal.

The Ravi is an important tributary of the Indus. It rises west of the Rohtang Pass, in the Kullu hills of Himachal Pradesh and flows through the Chamba valley of the state. Before entering Pakistan and joining the Chenab near Sarai Sidhu, it drains the area lying between the south-eastern part of the Pir Panjal and the Dhauladhar ranges.
The Kosi is an antecedent river, with its source to the north of Mount Everest in Tibet, where its main stream Arun rises. After crossing the Central Himalayas in Nepal, it is joined by the Son Kosi from the west and the Tamur Kosi from the east. It forms Sapt Kosi after uniting with the river Arun.
The Mahananda is an important tributary of the Ganga, rising in the Darjeeling hills. It joins the Ganga as its last left bank tributary in West Bengal.

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