A traveler can check the status of an Indian Railways reservation online by clicking PNR, or passenger name record, Status on the IndianRail.gov.in homepage and entering the ticket's passenger name record number in the box under Passenger Current Status. Alternatively, he can check the status via SMS service or app.
The PNR is a 10-digit number written using a sequence of three and seven digits separated by a hyphen.The PNR for a booking is located in the ticket's top left corner. A passenger checks the PNR status of an online booking to see whether his ticket is confirmed, wait-listed or reserved against a cancellation queue.
IndianRail.gov.in has details about SMS services under Services on the homepage. 9Apps offers a free Indian Rail Train & IRCTC Info app for Androids that includes a PNR status tracker, while iTunes offers a free Indian Railway app for iPhones.