India floods: On board helicopter rescuing stranded pilgrims
21 June 2013 Last updated at 20:54 BST
The death toll from flooding and landslides following heavy monsoon rains in the northern Indian state of Uttarakhand has passed 500.
On Friday, the charity Action Aid said 5,000 people are missing in the area.
Many of those stranded in the mountainous region are Hindu pilgrims visiting local shrines.
Nitin Srivastava has been in one of the helicopters trying to airlift stranded people to safety.