Since 2011, the World Music Institute’s Dancing the Gods festival has consistently delivered high-quality Indian dance to New York.... This year, like so much else, it’s virtual — which means that another stage experience is being mediated by cameras, with all the attendant possibilities and pitfalls.In at least one respect, classical Indian dance should benefit from the camera’s eye.... But just as a stage actor’s performance pitched to the second balcony can seem too broad, too loud, when it