This means that if you have booked a ticket from any station to any other station in 22177 Mumbai - Varanasi Mahanagari Express which starts from Mumbai CSMT belonging to Central Railways(CR), the PNR number will start with the digit 8.
Similarly, if you have booked a ticket in 22178 Varanasi - Mumbai Mahanagari Express which starts from Varanasi belonging to Northern Railways(NR), the PNR number will start with the digit 2.
The next 2 digits after the first digit represent the PRS location within the train originating zone. Each zone can have multiple PRS locations with different codes. PRS location is a location with a counter-ticket booking facility. Example - Ghatkopar station reservation counter is a PRS location and Dadar station reservation counter is a different PRS location within Mumbai and both will have separate codes.
The last 7 digits of a PNR are randomly generated and do not contain any specific information.
The 16 Zones of Indian Railways are depicted in the following table:
Short Forms in PNR

Your PNR status may conta in many complex short forms that might sometimes be confusing. There are more than 20 such short forms that might appear in your PNR status. The following table denotes what each one of them means:
Know your IRCTC PNR Status Code
S.No | Symbol/Shortform | Description |
---|
1 | CAN / MOD | Cancelled or Modified Passenger |
2 | CNF / Confirmed | Confirmed (Coach/Berth number will be available after chart preparation) |
3 | RAC | Reservation Against Cancellation |
4 | WL # | Waiting List Number |
5 | RLWL | Remote Location Wait List |
6 | GNWL | General Wait List |
7 | PQWL | Pooled Quota Wait List |
8 | REGRET/WL | No More Booking Permitted |
9 | RELEASED | Ticket Not Cancelled but Alternative Accommodation Provided |
10 | R# # | RAC Coach Number Berth Number |
11 | WEBCAN | Railway Counter Ticket Passenger cancelled through internet and Refund not collected |
12 | WEBCANRF | Railway Counter Ticket Passenger cancelled through internet and Refund collected |
13 | RQWL | Roadside Quota Waitlist |
14 | DPWL | Duty Pass Waitlist |
15 | TQWL | Tatkal Quota Waitlist |
16 | SS | Senior Citizen Quota / Single Lady Passenger above 45 Years |
17 | NC | No Choice - When the opted berth/seat preference not allotted |
18 | HP | Handicapped Quota |
19 | HO | Head Quarters / High Official Quota ( popularly known as VIP Quota) |
20 | PT | Premium Tatkal |
21 | NOSB | No Seat Berth (For child passenger in 5-12 years age range opting to travel without berth) |
Do you know what happens to the IRCTC PNR after you have completed the journey ?

A PNR number for a specific Journey gets flushed 5 days after the date of journey. A flushed PNR means that its status cannot be checked online.
Flushed PNR for a particular journey remain in railways’ database for 9 months after which they are eligible to be assigned to another journey.