The searches, including in this metropolis, Bengaluru, Hyderabad and a number of other locations in Tamil Nadu, that commenced on November 9 were going on at some places, a senior tax official told PTI.
However, he declined to disclose how much cash and what type of documents were seized.
A Coimbatore report, quoting police, said the Income Tax officials, who were carrying out searches at the premises of a sand merchant M Arumugasamy, as part of the state-wide raids, completed their search today.
The search was also completed at the premises of Sajeevan, who is supplying furniture across Coimbatore and Nilgiris districts.
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He had also supplied wood and other materials to the Kodanadu bungalow in Kotagiri belonging to late chief minister J Jayalalithaa.
Meanwhile, searches at the Green Tea Estate (Curzon Estate), said to be bought by former chief minister, Jayalalithaa and her aide, V K Sasikala some five years ago in nearby Nilgiris district, were going on, the police said.
In Cuddalore, a 10-member team is conducting searches at two residences and a jewellery shop.
The raid on 187 locations was conducted by over 1,000 officials, who split into over a dozen teams on day one of the searches on November 9.
Subsequently, the number of officials carrying out the task shrunk with the conclusion of the searches at some premises.
Backed with inputs, including those from the Finance Ministry's Financial Intelligence Unit, the raids are being conducted.
The allegations included suspicion of shell companies, dubious investments, suspicious fund flow and its transfers and fudging of accounts.
Dubbing the searches a "conspiracy", deposed AIADMK deputy General Secretary T T V Dhinakaran has alleged it was to oust him and his jailed aunt from politics.