The correct answer is option D: Ladakh, Jammu and Kashmir, Himachal Pradesh, Punjab, Haryana, Rajasthan.

The Indus River Basin is one of the most important river basins in South Asia. It is located in the northwestern part of the Indian subcontinent and covers a large area that stretches across multiple states and territories. Here is a detailed explanation of why option D is the correct answer:

1. Ladakh: Ladakh is a region in the northernmost part of the Indian subcontinent. It is located in the state of Jammu and Kashmir and is known for its high altitude desert landscapes. The Indus River flows through Ladakh, making it an important part of the Indus River Basin.

2. Jammu and Kashmir: Jammu and Kashmir is a state in the northern part of India. It is known for its scenic beauty and is often referred to as the "Paradise on Earth." The Indus River is one of the major rivers that flow through this state, and its basin extends into Jammu and Kashmir.

3. Himachal Pradesh: Himachal Pradesh is a state in the western Himalayas. It is known for its picturesque landscapes, snow-capped mountains, and lush green valleys. The Indus River Basin also extends into Himachal Pradesh, with the river flowing through parts of the state.

4. Punjab: Punjab is a state in northern India that is known as the "Land of Five Rivers." The Indus River is one of these five rivers, and it flows through the state, making it an important part of the Indus River Basin.

5. Haryana: Haryana is a state in northern India that is located adjacent to Delhi, the capital of India. The Indus River Basin extends into Haryana, with the river flowing through parts of the state.

6. Rajasthan: Rajasthan is a state in western India that is known for its rich history, vibrant culture, and desert landscapes. The Indus River Basin also extends into Rajasthan, with the river flowing through parts of the state.

In conclusion, the Indus River Basin is extended up to Ladakh, Jammu and Kashmir, Himachal Pradesh, Punjab, Haryana, and Rajasthan. These regions are all part of the basin, and the Indus River flows through them, making them integral to the overall ecosystem and water management of the Indus River Basin.