What is PNR Number?
Railway PNR Status or PNR stands for "Passenger Name Record". This is an unique ten digit code provided to railway passengers while booking their rail ticket.
How Railway PNR Number works ?
PNR aka a ten digit Indian railway passenger record number carries information related to one's railway ticket status or irctc booked tickets. Somehow while booking your railway ticket you would have find that some of the rails don't have available seats or are having waiting list or RAC. The waiting list and RAC passengers are managed against any cancellation of tickets. Now as we are not an Indian railway staff, so it will be difficult for us to stay at the railway offices and keep watching the ticket status. So Railway PNR status can state the current situtaion about our tickets and its seats status.
Methods to Check Railway PNR Status
Today Indian railway pnr status access is very much easy. Either you can check railway pnr status through mobile via sms, or through calling 139. Apart from these two, you can also check railway pnr status simply entering your provided PNR number while railway tictket reservation through Internet on Indian railways official sites and other sites offering partial services related to Indian railway pnr status. 
A Passenger Name Record (PNR) is the travel record for a person (or small group of persons) as used by airline and travel agency databases.The same thing you can see in Railway or Air tickets.
Symbol Description
CAN / MOD Cancelled or Modified Passenger
CNF / Confirmed Confirmed (Coach/Berth number will be available after chart preparation)
RAC Reservation Against Cancellation
WL # Waiting List Number
RLWL Remote Location Wait List
GNWL General Wait List
PQWL Pooled Quota Wait List
REGRET/WL No More Booking Permitted
RELEASED Ticket Not Cancelled but Alternative Accommodation Provided
R# # RAC Coach Number Berth Number


To Check your PNR Status Click Here