In 1997, Babar Ali Mandal migrated from Nadia district in West Bengal to Mumbai in search of work. But experts warn that the idea of a language-based AI tool to help detect a person’s nationality is inherently flawed and may lead to more harassment of working-class Bengali-speaking migrants in Maharashtra. The large Bengali-speaking population in Assam’s Barak Valley and other states in the North East speak Sylheti, a dialect spoken in Bangladesh’s Sylhet district, Chakraborty pointed out. Perhaps aware of the challenges, Fadnavis has said that the AI tool being designed by IIT has so far reached 60% accuracy. “My village is 50 km from the Bangladesh border.