Dozens of makers of medicines and diagnostic tests have joined together in an unprecedented effort to tackle "superbugs" - infections that increasingly don't respond to drugs and threaten millions of people in countries rich and poor.

That's according to the inaugural "Best Countries" ranking from U.S. News & World Report, the University of Pennsylvania's Wharton School and global brand consultants BAV Consulting. The ranking was officially unveiled at the World Economic Forum in Davos, Switzerland, on Wednesday.

India is among the fastest growing major economies, but it can do much better, Finance Minister Arun Jaitley told NDTV today at the World Economic Forum meet in Davos.