Indian Railways has just made it a little easier for rail travelers with a new web app called RailRadar, which uses Google Maps to track trains on a real-time basis. This is certainly welcome on one of the largest rail networks in the world -- it operates more than 10,000 trains everyday -- though the service is only available on 6,500 trains for now. To find out where your train is, simply search for its name or number and RailRadar will spot it for you. You can also find trains by entering the name of the station. Blue highlights indicate trains that are on time while red means it's behind schedule. If y