There are two ways to get Train Running Status on mobile.
1. Web based
If your mobile is web-enabled then this website is designed for fast mobile browsing.
Just type https://pnrstatuslive.com/train-running-status/ in your web browser
Point your QR Code reader to QR Code image below:
2. SMS Based
You can also get your Train Running Status on mobile via SMS.
Just send SMS to 139 in below format.
AD XXXX YYY
Where XXXXX is your 5 Digit Train Number and YYY is the STD Code of the desired Station. You will recieve the confirmation status.
Eg. AD 12561 0542
This SMS service is not free. You will be charges Rs. 3 per result.
(We are not related with this SMS service. It is run by Indian Railways)