Known sources have been defined as donations above Rs 20,000, whose donor details are available through contribution reports as submitted by national parties to the ECI
Sources in the Income Tax department have said that they grilled two serving executives of the Axis Mutual Fund in connection with the alleged front-running case
Tax experts say frequent cash transactions usually raise red flags with the department. It's not uncommon for them to send a notice in such cases, and ask for a detailed explanation
Receiving or repaying Rs 20,000 or more in cash for transfer of immovable property and paying more than Rs 10,000 in cash related to expenditure of business or profession is also banned