The official mobile app of Prime Minister Narendra Modi, downloaded over five million times on Android alone, sent user data to a US-based company without consent, security researchers have found in claims that were verified by NDTV. Allegations against the Narendra Modi app, which have sparked a furore on social media and biting criticism from Congress President Rahul Gandhi, come at a time of heightened sensitivity around the alleged misuse of personal data amid the unfolding Facebook-Cambridge Analytica controversy.