Four coaches of the Hazrat Nizamuddin-Ernakulam Mangala Express derailed while entering Pen railway station on the Panvel-Roha section at 12.20 pm today.
The coaches were S-2, S-1, General coach and the train guard's brake van.
According to initial information, no injuries were reported, however local doctors were summoned as a precautionary measure.
Medical relief van and break-down train were sent to the site as part of the relief operations.
At the time of filing this copy, senior railway officials had left for the accident spot.
Subsequently, the train left for Ernakulam at 1.45 pm after shifting 344 passengers to other coaches.