"over 100 that private operators now ply between Delhi and Bihar towns such as Patna, Muzaffarpur, Darbhanga, Motihari, Gopalganj, Seetamarhi and Jaynagar."
Paxs are getting diverted to Buses for long distance routes! which take same or lesser time than train, very easy availability of reservation and cost effective also. If the bus operators manage to get bus stops properly developed and managed, they can easily poach many more paxs from IR