The celebrities took to Twitter after media reports said that many people from Chhattisgarh, travelling in Uttarakhand as pilgrims were either dead or missing since last weekend, when the mishap took place.
Here's what the celebrities had to say:
Yami Gautam: Feels really sad and disturbed (disturbing) to see what havoc has taken place in Uttarakhand. Prayers for all those affected.
Sammir Dattani: Disturbing news of hundreds stuck and lost in Uttarakhand due to floods. Prayers for safety of all out there. The Army is doing their best.
Javed Akhtar: Uttarakhand has become a national tragedy. So many dams, so called development. Alas, they ignored the environmentalists' warnings.
Amitabh Bachchan: A moment of prayer for those that suffered the floods in Uttarakhand. Many stuck, many lost. Army doing incredible job! Salute.
Onir: Time for the government and all of us reflect how nature lashes back if we continue to destroy it. Commendable work done by the Army to rescue people.
We as a people of the same nation need to get together and support those who have lost everything in this calamity. We have to help them rebuild their lives. It is not only the government's responsibility.
Rajniesh Duggall: Prayers for the fellow citizens. Uttarakhand state government needs to take a step.