Railways to run Chandigarh-Patna reserved festival special train on Nov 6-8, with halts at Ambala Cantt and Saharanpur; 17 coaches incl AC, sleeper, general. Railways to add 2-4 extra coaches to six trains from Chandigarh, Ambala and Kalka to UP-Bihar amid Diwali-Chhath rush; waitlists hit 300-400. While the Northern Railway has planned more than 6,200 special train trips during the festive season to ease the pressure on regular trains, the fares remain.