The correct answer is: A. Upper Indus Valley
The Northern Kargil part of Ladakh lies in the Upper Indus Valley. The Upper Indus Valley is a valley in the Ladakh region of India. It is located in the northern part of the region, and is bounded by the Zanskar Range to the north, the Ladakh Range to the south, and the Karakoram Range to the east. The valley is drained by the Indus River, which flows through the valley from west to east. The Upper Indus Valley is a high-altitude valley, with an average elevation of over 4,000 meters (13,000 feet). The climate in the valley is cold and dry, with an average temperature of -5 degrees Celsius (23 degrees Fahrenheit). The valley is home to a number of villages, including Kargil, the largest town in the region. The Upper Indus Valley is a popular tourist destination, and is known for its stunning scenery, including the Zanskar Mountains and the Ladakh Range.
The other options are incorrect because:
- Option B, Zanskar Valley, is located in the Zanskar region of Ladakh, which is to the south of the Upper Indus Valley.
- Option C, Rupshu Valley, is located in the Rupshu region of Ladakh, which is to the east of the Upper Indus Valley.
- Option D, Mushko Valley, is located in the Mushko region of Ladakh, which is to the north of the Upper Indus Valley.