PM Narendra Modi has inaugurated Manali-Leh Tunnel on October 3, 2020. The world's longest underground highway will play a significant role in giving a boost to India's border infrastructure. The 9 km long tunnel will link Manali to Lahaul-Spiti valley. Institution of the Atal Tunnel at Rohtang is great news for residents of Lahaul-Spiti especially during the winters when the entire district is covered with snow and road connectivity gets fractured. Watch the video for more details.