To get confirm seat easily,
Keep Booking reservation from Durgapur, (W.B). And write Boarding Station = Dhanbad/ bokaro/ Ranchi.
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Destination Station= Nagpur/ Bhusaval
19614/Σ Ranchi to Mumbai (Kalyan- Panvel). [NOTE: Cacth 2nd train Bhusaval-Pune Express at Bhusaval, Maharastra] ΣChain