No worries about stay at Guwahati Railway Station: you have 2 options π
1). Go with rr.irctc.co.in for booking ordinary dormitory or Retiring Room (βΉ300 to βΉ800 for 12 hrs) Normal facility. But book before you reach.
2). With this (shown in pics πΈ) private Retiring Room, little costly. For booking call π @ 6003497117 or you can book after arrived here also & enjoy luxurious facility π