Question

The national highway NH that connects guwahati with Shillong

Answer 1

Widening the Shillong-Dawki road, including construction of a new bridge over the Umngot river at Dawki, is necessary as the national highway is connecting with Bangladesh, and the proposed India-Bangladesh friendship bus service from Dhaka to Guwahati via Shillong is also passing through its route.

Answer 2

......NH40 .......is the answer