Sleuths of the Income Tax department unearthed a total of Rs169 crore undisclosed income from real estate developers and mall owners during two search operations in the city over the last three days, said an official on Monday. “In the first case, we have found a group of realtors providing and receiving accommodation entries to reduce taxable income. The group was also in receipt of money (Rs143 crore) from property transactions," said tax official Alex Mathew in a statement here.