BENGALOORU; what does it have in common with Mumbai, Kolkata, Chennai, Gurugram?

blrpraj - 8-AUG-2016

What does Bangalore have in common with Bombay, Calcutta, Madras and Gurgaon?

The most obivous thing that comes to mind about the commonality is that the names of all these cities have changed! They are Bengaluru, Chennai,Mumbai, Kolkota and Gurugram.