East Coast Railway (ECoR) will operate special trains between Visakhapatnam and Araku from December 30 to January 18, and between Visakhapatnam and Shalimar from January 6 to February 24. These services are intended to manage the increased passenger traffic during the Pongal festival. The trains will have various classes of coaches, including AC, Sleeper, and General Second-Class, with specific timings and stoppages detailed for each route.