Individuals will be asked to divulge source of large cash transactions post demonetisation The government said it has identified 18 lakh individuals who will be required to divulge the source of large cash transactions that they undertook in the weeks after demonetisation as part of the income-tax department’s Operation Clean Money/ Swachh Dhan Abhiyan initiative. An integral part of the government’s campaign against black money, the account holders have been targeted through the use of data analytics to sift through information for the period between November 9, when the old Rs 500 and Rs 1,000 notes ceased to be legal tender, and December 30, when the window for their deposit in banks ended. These 18 lakh persons have been identified by the tax department as their transactions did not match their tax profile. Cases are being selected for verification on the basis of approved risk criteria, officials said. The tax department has enabled on