April 12 , 2022
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	- Chennai has an estimated annual operating cost of $1.24 million for a 50-person R&D center.
 
	- This is the cheapest in the world. 
 
	- The Malaysian city of Penang took the second spot.
 
	- It was followed by Gurgaon and Pune.
 
	- Also, FDI in Tamil Nadu increased by 41.5 percent.
 
	- Chennai ranked second after Seoul.
 
	- In this ranking, Chennai was followed by Chinese cities like Guangzhou and Shenzhen. 
 
	- Three other Indian cities, Bangalore, Pune, and Gurgaon were among the top 10 cities on this list.
 

                                 
                            
                                
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