Signaling Systems used by Indian Railways

All of you must have travelled by train atleast once in your life. You may have observed that trains stop on stations for sometime and then depart from it, or it may stand upto hours due to some problems, sometimes trains also stops in midway between two stations. So have you ever wondered how the Locopilot (driver) of the train know when to stop the train, when to start the train and where to stop the train? So to answer this question let us think of a situation where you are driving a car or t...