Even before the family introduce themselves by name, they produce a thick file with documents that go back 80 years. “Evidence before conversation,” the youngest son says as he arranges chairs outside his village house for the large family and visitors. “We are Indians. We’ll show you proof.” Shajahan Ali Ahmed, a 29-year-old social worker, part-time journalist and YouTuber, displays the documents out on a plastic table in the middle of his courtyard.