In a bygone America, Indian migrants were considered a “model minority”. Any Indian who worked hard and kept her head down was welcome. Indian immigrants were broadly perceived as industrious and good at maths. But today, even Indians migrants in the US and other parts of the Western world cannot escape racism. In September, far-right American trolls targeted Indian migrants with a campaign they called “clog the toilet”. After US President Donald Trump changed the rules for H1-B work visas (about 70% of which are held by Indians), the trolls urged Americans to log on to travel sites and put...