9 Daaba or 12 Daaba

whats "Daaba" ? "Daaba"(Hindi word) means Compartments (Obvious related to trains!)
So this post is going to be on Mumbai Local Trains which are fastest and cheapest way to travel in mumbai.

The Mumbai train System has 3 Networks or rather 3 sections
1) Central railway
2) Western railway
3) Harbour railway

All the 3 sections end in VT errr CST (Chatrapati Shivaji Terminus or Mumbai or Bombay)