Yes, IT has been sending out Notices keeping eye on deposits more than what wqs announced.
Source: http://m.economictimes.com/news/economy/policy/demonetisation-drive-i-t-department-sends-notice-on-large-cash-deposits/articleshow/55502143.cms https://www.facebook.com/SMHoaxSlayer/photos/a.147357335599672.1073741828.140690692933003/378418492493554/?type=3