Southern Railway will operate a suvidha train from Chennai Egmore to Tiruchi via Villupuram, Mayiladuthurai and Thanjavur in connection with Mahamaham. Train (no. 00649) will leave Egmore on Saturday, February 20 at 10.45 p.m. The train will leave Tiruchi at 11.50 p.m. on February 23. Special trains are being operated from Tirunelveli and Ernakulam to Chennai on February 21. The Tirunelveli–Egmore (No.00644) train via Madurai and Tiruchi will leave at 2.45 p.m. The Ernakulam – Chennai Central (No.00646) train via Coimbatore and Jolarpettai will leave at 7 p.m. The trains will have three air-conditioned and 12 sleeper class compartments, a press release said.