New Delhi, April 22 -- The income tax department has been coming up with new ways to identify evaders. In 2016, it launched Operation Clean Money, but found some gaps in the methodology later. The department then sought to revamp its data collection methods under Project Insight. The project, which is still in the works, is supposed to be a machine learning and big data-driven information management system. One of its data sources will be social media, where it will flag a mismatch between an individual's income and social media posts. Nilanjana Chakraborty asks experts if this amounts to breach of taxpayers' privacy...