This should have been done a very long time ago. But it is fine. Better late than never.
Image: The Statesman
Right now, there are a few websites and apps which claim to tell you the live location of your train but that is not true. There are two ways for now.
From now onward, the trains will have its own GPS system. That can be accessed on an official platform, most probably the website of IRCTC.
Overall, it will be a great fact that Indian Railways is adopting technology on a larger scale.