Unprecedented heavy rainfall battered districts of Tamil Nadu and has brought regular life to a standstill following massive flooding in the state's southern districts. The Indian Air Force, the army, and other rescue teams are conducting relief operations. Meanwhile, the India Meteorological Department (IMD) has forecast light to moderate rain in the state. Three people have been killed in rain-related incidents in the state. Around 500 passengers have been stuck for the last 24 hours at the Srivaikuntam railway station in the Tuticorin district as the station has been inundated following heavy rain and the train tracks have been damaged. The Indian Air Force has started air-dropping relief material for stranded train passengers and unwell passengers will be airlifted by the IAF choppers.