In the second phase of Operation Clean Money, the CBDT is looking into over 6,000 transactions, where the scrutiny is likely to be more detailed. This would also include those who did not respond to communication in the first leg. By engaging data analytics firms and its own intelligence gathering, the department has graded the various cases under Operation Clean Money in three categories of ‘high risk’, ‘medium risk’ and ‘low and very low risk’. The impact of demonetisation is far reaching and its real effect will be felt a few years from now as the taxpayer base goes up, which will automatically also increase the tax collected.