She flagged off the new vehicles and gave away the devices at the State Secretariat here, a government release said.
The new vehicles, procured at a cost of Rs.1.12 crore, has features like LED lamps and would be used for patrol in congested areas by the Chennai Metropolitan Police.
The 100 hand held e-challan devices were procured at a cost of Rs one crore and would be used by traffic police to fine violators of traffic rules.