The PNR status of Indian railway reservation can be checked through many ways like Indian railways site, through telephone IVRS system, SMS etc. To check the PNR status through SMS people normally use to send message to the numbers like 5676747 , here premium charges are applicable .
Google has launched a wonderful SMS service, to check the PNR status and many other informations for local SMS charge. If you want to check the PNR status just send the PNR number to 9773300000 (no need to prefix zero even if you are in roaming also), you will get the detailed status within seconds. You need to pay only local SMS charge. This is a very fast and reliable service.
Other than the PNR check so many other informations can also be obtained through this service like stoke quotes, cricket scores, horoscope, news, flight status, weather, definitions etc. For more details send an SMS help to 9773300000 or visit Google