What is the full form of G B Road?

There are several places and roads named GB Road in different parts of the world, each with its own origin and history. Here are a few examples of the full forms of GB Road:

1. In Delhi, India: Govind Ballabh Pant Road

2. In Mumbai, India: Govandi-Bombay Road

3. In Kolkata, India: Grand Boulevard Road

4. In Pakistan: Grand Trunk (G. T.) Road