The accident took place at around 2.30 pm near Titwala station in Thane district at the train bound for Mumbai CST from Kasara (N-18).The mishap which occurred when the Chhatrapati Shivaji Terminus-bound local train derailed near Titwala also threw traffic on the Central line out of gear.
"Five coaches of N-18 (Kasara-CST) local derailed between Titwala and Ambivli stations (61km from CST) at 2.30 pm today, resulting in the death of one person and simple injuries to three others," a CR statement said.
Rail traffic on the up and down lines between Kalyan and Titwala has been suspended due to the accident, railways said.
The Kalyan-Kasara rail segment, on which the accident occurred, is a very busy route which connects the financial capital of Mumbai with the northern and eastern cities of the country.
A break-down train and medical van have reached the accident site along with senior officials as efforts were underway to restore traffic flow in the affected section, the statement added.
The injured were rushed to nearby hospitals.
According to TOI report, the deceased has been identified as 38-yesr old Dhawal Lodha.
The six injured have been identified as Mohammed Imam Khan (38), Pooja Bhoir (50), Moin Khan (40), Karan Chand (25), Chaituddin Khan (50) and the guard injured in the incident is Aryan Dubey (46).