Can Mumbai Metro be among world's best?

On the occasion of Maharashtra Day, Chief Minister Prithviraj Chavan on 1 May 2013 flagged off the first trial run of the Mumbai Metro between Versova and Azad Nagar.

Here's a look at the world's best metro rail systems.

Chief Minister Prithviraj Chauhan flags off metro rail at its first successful run at Versova, Andheri West on May 1, 2013 in Mumbai, India. Maharashtra's 's first Metro from Versova to Airport Road in Mumbai will be commissioned in September.
Click on next to check out some of the world's best metro rail systems.
(Photo by Vidya Subramanian/Hindustan Times via Getty Images)