Petroleum vehicles on their way to Lahaul via Atal Tunnel, in Manali.

Vehicles lined-up as they move slowly on a snow-covered road near Atal Tunnel at Rohtang in Lahaul-Spiti district.

Fresh snowfall in the South Portal of Atal Tunnel in Rohtang.

Looking through Atal Rohtang Tunnel and charm of seasons first heavy snowfall at North Portal, Keylong.

Tourists visit the Atal Tunnel after fresh snowfall in Lahaul-Spiti.

Prime Minister Narendra Modi with Defence Minister Rajnath Singh, Himachal Pradesh CM Jai Ram Thakur and others during the inauguration of Atal Tunnel, in Manali.

Vehicles plying on roads near the north portal (NP) of the Atal Tunnel at Sissu in Lahaul Spiti district. The strategically important all-weather Atal Tunnel was inaugurated by Pri...

Prime Minister Narendra Modi with Defence Minister Rajnath Singh, Himachal Pradesh CM Jai Ram Thakur and Director General of BRO Harpal Singh during the inauguration of Atal Tunnel...

Prime Minister Narendra Modi being received by Union Minister for Defence Rajnath Singh and Chief Minister of Himachal Pradesh Jai Ram Thakur, on his arrival at Manali.

First batch of people who travelled through the newly inaugurated Atal Tunnel pose for photographs on their arrival at the north portal (NP) at Sissu in Lahaul Spiti district. The ...

In this undated photo, late Tshidawa alias Arjun Gopal’s sons Amar Singh and Ram Dev at their native village in Tholang of Himachal Pradesh’s Lahaul-Spiti district. Amar Singh ...

Prime Minister Narendra Modi addresses during the inauguration of Atal tunnel, world's longest highway tunnel, in Manali.

Prime Minister Narendra Modi addresses during the inauguration of Atal tunnel, world's longest highway tunnel, in Manali.

Prime Minister Narendra Modi during the inauguration of Atal tunnel, world's longest highway tunnel, in Manali.

Prime Minister Narendra Modi (C) with Defence Minister Rajnath Singh, Himachal Pradesh CM Jai Ram Thakur (R) and Director General of BRO Harpal Singh (L) during the inauguration of...

Prime Minister Narendra Modi (C) with Defence Minister Rajnath Singh (R), Himachal Pradesh CM Jai Ram Thakur and others during the inauguration of Atal tunnel, in Manali.

Prime Minister Narendra Modi (C) with Defence Minister Rajnath Singh(R) and Himachal Pradesh CM Jai Ram Thakur during the inauguration of Atal tunnel, in Manali.

Defence Minister Rajnath Singh poses for a photograph with Himachal Pradesh CM Jai Ram Thakur, MoS for Finance Anurag Thakur and Army personnel after inspecting Atal Tunnel on Mana...

Defence Minister Rajnath Singh along with Himachal Pradesh CM Jai Ram Thakur inspects Atal Tunnel on Manali-Leh road. Prime Minister Narendra Modi will inaugurate the tunnel on Oct...

Himachal Pradesh Chief Minister Jai Ram Thakur arrives to take stock of the Atal Tunnel on Manali-Leh road. Prime Minister Narendra Modi will inaugurate the tunnel on Oct 3.