Tamil Nadu and Chennai Rains Update: The KTCC (Kanchipuram, Tiruvallur, Chennai, Chengalpattu) region is predicted to get heavy rains for the next three to four days. As per the weather blogger R Pradeep John (PJ), Nagapattinam, Thanjavur, Mayiladuthurai, and Ramanathapuram districts will get heavy rains.