The G20's power comes from its members, but also vital is its informal structure and close working relationship with other international organisations.
All talk, no action? The G20 turns out to be a surprisingly productive international exercise.
The death of the rules-based world order that supports the global economy and free trade has been greatly exaggerated.
India wants closer engagement with its neighbours as it aspires to become a global manufacturing hub. Narendra Modi's visits to China, Mongolia and South Korea are all about promoting this agenda.