The Yamuna River forms Haryana’s boundary with:

The correct answer is: Uttar Pradesh.

The Yamuna River forms Haryana’s boundary with Uttar Pradesh for a distance of about 200 kilometers. The river flows from the Himalayas in the north to the Ganges River in the south. It is a major source of water for irrigation and drinking water in Haryana.

The other options are incorrect. Punjab is located to the west of Haryana, Rajasthan is located to the south, and Delhi is located to the east.