Correct Option
The correct option is (c) 1 and 3 only.
Explanation
The Indus River System is one of the largest river basins in the world. It is a trans-boundary river system that originates in the Tibetan Plateau and flows through India and Pakistan before draining into the Arabian Sea. The basin's distribution is a key aspect of the hydro-geography of the Indian subcontinent.
Statement-wise Analysis
- Statement 1 is Correct: It is described that a little over one-third of the Indus basin is located in India. While the total area of the basin is approximately 11,65,000 sq. km and India's share is about 3,21,289 sq. km (which is mathematically closer to 27%), this specific phrasing is derived from established educational resources used for the examination.
- Statement 2 is Incorrect: The Indus basin in India is not restricted to Rajasthan. It covers a vast area including the Union Territories of Jammu & Kashmir and Ladakh, as well as the states of Himachal Pradesh, Punjab, Haryana, and Rajasthan. Limiting the basin "only" to Rajasthan is factually wrong.
- Statement 3 is Correct: The majority of the Indus basin lies within Pakistan. While the catchment area also extends into Tibet (China) and Afghanistan, standard texts describing the India-Pakistan division of the basin state that the rest of the basin (outside the Indian portion) is primarily in Pakistan.
Key Takeaway: The Indus basin in India is extensive, covering J&K, Ladakh, Himachal Pradesh, Punjab, Haryana, and Rajasthan. It is not confined to a single state.