● The Himalayan region contains many passes, which are a stretch of lands usually passing through the mountains that connects two different regions . ● Some important passes of the Indian subcontinent are ● Zoji La: It is a high mountain pass state of Jammu and Kashmir. Hence pair 1 is not correct . ◦ It is located between Srinagar and Leh in the western Himalaya mountain range. ◦ It separates Kashmir valley to its west from Dras valley to the northeast. ● Bara lacha la: It is a mountain pass in Zanskar range. Hence pair 3 is not correct. ◦ It connects Lahaul district in Himachal Pradesh to Ladakh in Jammu and Kashmir. ● Shipki La: It is a mountain pass on the India China border. ◦ It is located in Kinnaur district in the state of Himachal Pradesh. Hence pair 4 is correct. ◦ The river Sutlej enters India near this pass. ◦ The pass is one of India's border post along with the Nathu la in Sikkim and Lipulekh in Uttarakhand. ● Jelep La: It is a mountain pass between Sikkim and Tibet. Hence pair 2 is correct. ◦ It is on the route that connects Lhasa and India.