Northern Railway has announced a travel advisory for the Magh Mela in Prayagraj, suspending train operations at Prayagraj Sangam station on key holy dip days from January 2 to February 16. Trains will be diverted to Phaphamau and Prayag junctions a day before and after these 'snan' days to manage heavy crowds and prevent chaos. Passengers are advised to check schedules before traveling.