Memorial services were held in Chennai, Nagapattinam and Tirunelveli, among other places, where morning walkers and other revellers on the beach were caught off-guard in 2004 as the massive waves sparked by an undersea earthquake in Indonesia snuffed out lives and damaged property.
Fishermen associations in Chennai arranged for prayers and memorial services, with relatives of victims pouring milk in the sea at Marina as a mark of respect to the departed.
Tamil Nadu accounted for nearly 7,000 deaths in the December 26, 2004 tragedy.