Tracks submerged at Tambaram resulted in the cancellation of around 20 trains bound for south Tamil Nadu and Kerala, which operated from Chennai Egmore.
At 8:02 am, the Chennai-bound train automatically halted on the fast upline between Thiruninravur and Pattabiram when smoke emerged from the wheels of the B1 coach.
After reaching the worksite, Prakash, who had no history of mental illness, became restless and had episodes of violent outbursts.
A Chennai-bound express train was stopped to accommodate the stranded passengers. Chennai division officials rushed to the spot and executed repair work.
Patnaik who undertook a on-the-spot inspection of the tragedy on Saturday, has also conveyed his deep sympathy to the bereaved families and wished speedy recovery of the injured persons.