Exclusive: 300 people stranded in Rohtang Tunnel tell how they survived for four long days in snow 

ABP News report from ground zero in Himachal Pradesh's Lahaul shows how people stranded their survived.
An official of the Himachal Pradesh State Disaster Management Authority said most of the 600 roads, including the Chandigarh-Manali road, of the state have been reopened.
Watch this excluisve report.