The Tamil Nadu government confirmed that four lives were lost in rain-related incidents in Chennai, Theni and Madurai districts in the past 24 hours as the incessant downpour continued to lash parts of Tamil Nadu on Monday. Two teams of the National Disaster Relief Force (NDRF) have been deployed in Madurai and one each in Chengelpet and Tiruvallur, while state disaster response teams are undertaking rescue efforts in Thanjavur and Cuddalore districts.