Interesting read : More integration of data in transactions being recommended
m.economictimes.com

Data sharing among authorities, taxpayers can help improve I-T dept AIS functionality: Deloitte
Information about the taxpayer relating to specified financial transactions such as cash deposit/ withdrawal from bank accounts, sale/purchase of immovable property, time deposits, credit card payments, purchase of shares, debentures, foreign currency, mutual funds, buyback of shares, cash...