​From which of the following states/union territories does the Yamuna River originate?​

Correct option is B

The correct answer is (B) Uttarakhand​.

• The Yamuna River originates in the state of Uttarakhand: 
• Source: The Yamuna River originates from the Yamunotri Glacier, which is located in the Uttarkashi district of Uttarakhand. 
• The glacier is situated on the Bandarpunch peaks of the Lower Himalayas at an elevation of about 4,500 meters (14,800 ft). 
• Length: The Yamuna River is 1,376 kilometers (855 miles) long.