Call it slam-bang diplomacy. The New York cops started it with their typical swagger. They handcuffed Devyani Khobragade, an Indian diplomat, subjected her to a strip-search and kept her in a cell crammed with criminals. In response, the Indian state began to flex its muscle: bulldozers roared in front of the US embassy and new tax files were opened overnight. Within days, the most famous address in Chanakyapuri was in the crosshairs of Indian diplomatic fire.