Ye toh zone par depend karta hai, trains which genuinely need LHB coaches are neglected, 15011/2 is the worst train in terms of time taken to cover the journey (slack master), average speed and the delay, it is the last choice amongst the travellers travelling between Lucknow and Chandigarh.
Jabse Isko LHB rake diye and sleeper ko reduce Kiya hai tabse ye kaafi empty chalti hai, kaafi bura haal hai, iska slack reduce karke sleeper class ko increase karna chahiye.