Can some one explain the Significance of PNR?
A PNR is 3+7 digit number. What do the first 3 digits stand for? All Rajdhani/Shatabdi PNR start from number 2. Some SF trains PNR Start from number 6. What is the logic.
Was just surfing and found that for Darjeeling Mail, all PNR start from 6 and 3rd digit is always 4.
Can...
more... some one through some light on this