"Deeply pained by the tragic rail accident in Muzaffarnagar (U.P). My deepest condolences to the bereaved families, may injured recover soon.
"I have asked the BJP Muzaffarnagar unit to join the rescue operation and help the people in need," Shah tweeted.
In a major train accident, at least 23 passengers were killed and many others injured when 14 coaches of the Puri- Haridwar Utkal Express jumped the rails in Khatauli near Muzaffarnagar this evening, officials said.