The origin of the river Sutlej –

Option (a) is correct because the origin of the river Sutlej is Rakshash Tal. Rakshastal is a lake in Tibet near Mount Kailas. The Sutlej River originates at Rakshastal northwestern tip. The river Sutlej flows from west and southwest through the region of Punjab.

Option (b) is not correct because Sutlej is a river and it cannot originate from its own lake and there is no specific lake found.

Option (c) is not correct because Kamal Tal is a lake in Uttarakhand. It is located just opposite of Naukuchiatal.

Option (d) is not correct because Ram Tal is one of the lakes which form the Sat Tal. Ram Tal is named after the characters in Ramayana.