Should Chennai be a global-city?

On August 22, 1639, Captain Francis Day of the British East India Company secured a piece of land at the fishing village of Madraspatnam through a firmaan (charter) granted by Damerla Venkatadri Nayak, in command at Chandragiri under the Vijayanagar kingdom.
This obscure fishing village today is Chennai Metropolis [...]

London claimed one of the World Cities.
Latest results from researchers measuring the world’s “alpha cities” network suggest that established giants London and New York are being joined by Hong Kong and could one day form a global cities triad that will dominate the globe.
“London and New York define a duopoly that constitutes a case apart [...]