In between AKBP-APR..all station if booked for SL will b charged with base charge at par passenger while in GEN Class, u need just Pass ticket!!
For AKBP-JTI & onwards, base fare will be at par Express (even if the train serve u like Passenger till one station bck)!! For GEN class travel, u need Exp Ticket!!
3A/2A will b charged at base of Express across span!!