The correct answer is Satluj . Key Points - Beas is part of the Indus river system and one of the tributaries of the Indus river. - The Beas originates near the Rohtang Pass on the southern end of the Pir Panjal Range. - It is 460km and flows within the Indian territory. - It crosses the Dhaola Dhar range and it takes a south-westerly direction to meets the Satluj river at Harike in Punjab.
