Which of the following states does NOT share its boundary with Nepal?

Assam does NOT share its boundary with Nepal. The boundary between India and Nepal is an open international border between India and Nepal. The 1,690 km (1,050.12 mi) long boundary covers the Himalayan and Indo-Gangetic areas. The current form was formed in the aftermath of the Sugaul Treaty of 1816 between Nepal and the British Raj. Uttarakhand, Uttar Pradesh, Sikkim, West Bengal and Bihar shares their border with Nepal.