The joke goes that an astronaut getting out of the space shuttle and setting foot on the newly discovered planet gets greeted with chai and samosa by the friendly Indian chaiwallah (tea shopkeeper) who wonders what took the rest of humanity so long to get there. As with most jokes, there’s a kernel of truth there. Setting aside fast-food chains of the kind that offer pizzas or burgers, Indian cuisine is one of the few cuisines that are available no matter which part of the globe you travel to (or universe, apparently). Details