Key Concept: Geographical Extent
b) Rajasthan, Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, Assam, Delhi, and Chandigarh
[Solution Description]
The Great Plains include large parts of Rajasthan, Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, and Assam, besides the union territories of Delhi and Chandigarh.
Your Answer is correct.
b) Rajasthan, Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, Assam, Delhi, and Chandigarh
[Solution Description]
The Great Plains include large parts of Rajasthan, Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, and Assam, besides the union territories of Delhi and Chandigarh.