Mumbai-Bhubaneswar Lokmanya Tilak Express hit at a goods train near Cuttack in Odisha on Thursday morning, which led to the derailment of eight coaches.
At least 40 people were injured in the accident, six of them critically. The accident took place Salagaon and Nergundi stations at around 7 am, officials said.
Officials present at the site added that while five coaches derailed, three others were displaced from the tracks.
While the cause of the accident is not yet known, there is heavy fog in the area. All passengers had been admitted to a nearby hospital and they are stated to be out of danger.
East Coast Railway Chief Public Relations Officer (CPRO), however, has said that 20 people were injured in the accident.
In the wake of derailment of the Mumbai-Bhubaneswar Lokmanya Tilak Terminus (LTT) Express, the Central Railway has set up helplines at five stations to provide updates about the accident to relatives of the train passengers, an official said on Thursday.
The helplines have been set up at the Chhatrapati Shivaji Maharaj Terminus (CSMT), Dadar and LTT in Mumbai and neighbouring Thane and Kalyan stations.
The helpline numbers are CSMT- 55993 (railway number) and 022-22624040, Dadar- 57390and 022-24114836, LTT- 62606 and 022-25280005,Thane- 61290 and 022-25334840, andKalyan-63360 and 0251-2311499.