The length of 'Atal Tunnel' is:

9.02 km

The correct answer is Option (2) → 9.02 km

• The World's longest Highway tunnel - Atal Tunnel (9.02 Km) has been built by Border Road Organisation.
• This tunnel connects Manali to LahaulSpiti valley throughout the year. Earlier the valley was cut off for about 6 months each year owing to heavy snowfall.
• The Tunnel is built with ultra-modern specifications in the Pir Panjal range of Himalayas at an altitude of 3000 metres from the Mean Sea Level (MSL).