Fire and Emergency Services, Indian Coast Guard and Coastal Police along with locals are engaged in the operation to locate the car.
A senior Fire and Emergency Service personnel said they received a call at 1.10 am from a citizen about the incident.
Eyewitnesses revealed that a rashly driven SUV overtook another vehicle on the bridge before it hit the railings and went into the water.
A senior police official said at least four people were in the vehicle.
(With PTI inputs)
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Originally published at www.news18.com