How does the Railway Automatic Telephone Enquiry System work?

You can also contact the Enquiry Counters at your nearest Computerized Reservation Centre or call 139 from your mobile, landline phone to The Interactive Voice Response System, available at major stations. Remember to always quote the 10 digit PNR Number indicated on the upper left hand corner of your ticket, to find
out the current status.

The railway telephone enquiry system is automated telephone enquiry system, which gives you details of accommodation availability and the current status of your tickets. Dial 139 from any mobile, landline phone of any network to get detail.