Coastal communities across Tamil Nadu, including Mayiladuthurai, Nagapattinam, Karaikal, Kanniyakumari, and Thoothukudi districts, observed the 21st anniversary of the 2004 Indian Ocean tsunami. Thousands participated in silent marches, candle vigils, and prayer meetings to commemorate the thousands of lives lost. Officials and residents paid floral tributes at memorial sites, remembering the devastating impact of the disaster on livelihoods and infrastructure. Many families expressed ongoing grief, marking the day as a solemn remembrance of loved ones.