The CBI carried out searches at Noida residence and office of sacked Income Tax Commissioner S K Srivastava, officials said on Saturday.
The search started on Friday and is still continuing, they said.
Sources in the agency have said the searches were initiated after registering a case against him for alleged cheating, forgery and obtaining undue favours.
Srivastava was among several Income Tax officers who were retired by the government recently.
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