Tamil Nadu authorities are implementing extensive security measures for New Year's Eve celebrations across the state, with a significant police presence in Chennai, Thoothukudi, Tirunelveli, and Kanniyakumari. Over 25,000 personnel are deployed in Chennai alone, supported by drones and CCTV. Key measures include beach closures, a ban on firecrackers in public areas, and strict enforcement against drunken driving and reckless riding. Flyovers in Chennai will also be closed. Similar security arrangements are in place in other districts to ensure public safety and prevent untoward incidents.