platforms 1 to 7 connect to the chennai and salem railway lines. on platforms 8 to 10, service trains arrive via yeshwantpur from hubballi-dharwad. platforms 1 to 4 terminate at bangalore. on platforms 5 to 10, service trains depart towards mysuru. there are railway lines between platforms 4 and 5 that are used as the railway yard. there are 5 railway lines passing from bangalore city railway station – to hyderabad via guntakal, chennai via krishnarajapuram, salem via hosur, mysuru, hubballi-dharwad via tumkur, birur. the bangalore-chennai railway line via bangalore cantonment, bangarpet, is fully electrified and open for traffic. the bangalore- mysore line is also doubled and electrified.