The rise of China has been the biggest story in the global economy in recent decades. But amid concern about its stumbling property market and global fears about inflation, the emergence of its neighbour, India, as a potential new economic superpower may be going under the radar. You won’t find mention of it in Liz Truss’s blueprint for a “modern brilliant Britain”, but the UK has just been overtaken by India as the world’s fifth biggest economy. The nation of 1.4 billion people is on track to move into third…