On Reality Check, we take a close look at the government's escalating rhetoric on Assam's citizens register. We look at the facts about illegal immigration in India: is India being overrun by illegals? Do we need the entire country subjected to an exercise which has caused acute distress in Assam: families have been divided, soldiers have been labelled as foreigners, lives may have been lost. According to the government's own admission, there is no credible evidence of large-scale illegal migration.