i think now Shan-e-Punjab may face the same fate as of Brindavan Express
The DD might start at 6 in the morning from NDLS and reach ASR at 1.30 pm and return back at 2.30 pm from ASR and reach NDLS at 10pm...
NDLS-ASR sector has much demand for AC coches so might be it might not impact the AC coaches of Shane Punjab