The main conspirator in 'Bulli Bai' app case has been arrested by Delhi Police's IFSO unit from Assam. KPS Malhotra, DCP (IFSO), said, "Neeraj Bishnoi is the main conspirator and creator of 'Bulli Bai' on GitHub and the main Twitter account holder of the app. He is being brought to Delhi." This is the fourth arrest in the case.