Chennai, Dec 22 (PTI): Income Tax officials today claimed that former Tamil Nadu Chief Secretary P Rama Mohana Rao''''''''s son has "admitted to a total unaccounted income of about Rs 17 crore", a day after I-T raids were carried out at the top bureaucrat''''''''s house, office and other premises linked to his kin in connection with a tax evasion probe.

"Vivek has admitted to a total unaccounted income of about [approximately] Rs 17 crore which includes Rs five crore disclosure made by him yesterday," a top tax official told PTI on the condition of anonymity.

He said disclosure of income made by Vivek happened against the backdrop of evidence gathered by tax sleuths after they zeroed in on Shekar Reddy and his associate from whose premises cash of Rs 135 crore and 177 kg gold bars were seized recently. Vivek could not be contacted for his comment.

Rao was today replaced from the top post and Additional Chief Secretary Girija Vaidyanathan was appointed as the new Chief Secretary. Similarly, in related searches conducted by I-T sleuths at the premises of two individuals here one of them a former IFS official who headed the state''''''''s Environment Impact Assessment Authority the duo had also admitted unaccounted money, the official said.

"While the former IFS official has admitted to unaccounted money an income of about Rs 1.1 crore, another person has admitted to Rs 1.75 crore," the official said, adding such disclosures by them have come close on the heels of "evidence following the Shekar Reddy case".

To a query if they had seized anything from the duo, the official said "some seizures," without elaborating further. Continuing its crackdown on black money post demonetisation, the Income Tax department had yesterday searched 11 locations linked to Rao, including his official chamber and residence, besides those of his son, and claimed to have seized Rs 30 lakh in new currency and five kg gold.

The searches were also conducted in Chitoor on premises of Rao''''''''s relatives in neighbouring Andhra Pradesh. IT officials had yesterday claimed Vivek had admitted to having undisclosed income of Rs five crore.