Correct Answer: Option D - All are correct
It is the smallest tributary of the Indus system - The Beas River is indeed the smallest among the five major rivers of the Indus system (Jhelum, Chenab, Ravi, Beas, and Sutlej).
It has historical mentions in the Vedas as 'Arjikuja' - This is correct. The Beas River was known as Arjikuja in ancient Vedic texts. It was also known as Vipasa in Sanskrit literature.
It originates from Rohtang Pass - The Beas River originates near the Rohtang Pass in the Himalayas. Specifically, it begins at Beas Kund, an alpine lake near the Rohtang Pass in Himachal Pradesh.
The Beas River flows through Himachal Pradesh and Punjab before joining the Sutlej River. It forms an important part of the Indus river system and has significant historical and geographical importance in northern India.
