The correct answer is Zaskar mountain range. Explanation & Key Takeaways: Zaskar Range • The Zaskar Range, sometimes called Zanskar, is a mountain range in the Himalayas, south-central Asia, northern India, and China's western Tibet Autonomous Region. • It divides Ladakh from the Kashmir lowlands and the Chenab River. • It lies between the Karakoram mountain range and the Pir Panjal mountain range. Hence option 1 is correct. • In other words, it acts as a borderline between Kashmir's Ladakh area and the state's other two regions, the Jammu region and the Vale of Kashmir. • Many rivers originate in various parts of this mountain and run northward to join the big Indus River. • Hanle River, Khurana River, Zanskar River, Suru River, and Shingo River are among these rivers. • It also divides Kinnaur and Spiti in Himachal Pradesh. • Himachal's tallest peaks are found in the Zanskar range. • The Zanskar Range is notable for the Nanga Parbat (8126 m).