India's strength lies in demography, democracy, and demand, Prime Minister Narendra Modi said on Tuesday, inaugurating the Vibrant Gujarat global summit here.

Calling 'democracy' India's biggest strength, the Prime Minister said: "Some people say democracy cannot deliver effective and fast track governance, but we have seen in last two and a half years, it is possible to deliver quick results as well."

The 8th edition of the Vibrant Gujarat Global Summit is being held here on January 10-13 with the central focus of "Sustainable Economic and Social Development".