Covid exposed the lack of data on the country’s 140 million mobile migrant workers, but a new project in Odisha is helping to fill in the gapsRaja Pradhan is sitting cross-legged, scrolling on his phone in his village in eastern India when a green WhatsApp chat bubble pops up on the screen. “Namaska... Link: https://www.theguardian.com/global-development/2026/mar/16/chatbot-india-migrant-workers-whatsapp-odisha :Cat-N