Extending Palamu Express to Mesra/Ranchi is a good option, IMO. 13348 can arrive Mesra at 9 am. The same rake can depart Mesra at 9:30 am as Mesra - BRKA Express/Passenger to reach BRKA at 11 am. Then, the rake can undergo PM between 11 am and 6 pm and depart as BRKA - Mesra Express/Passenger at 6 pm to reach Mesra at 7:30 pm. It can then depart Mesra at 8 pm as 13347 Palamu Express.