He said the Centre's move to squeeze fund transfers had already smothered the finances of Kerala.
Chitra Ramkrishna is under investigation for making alleged illegal financial gains by way of sharing internal confidential information of NSE to an unknown person.
Revenue Secretary Tarun Bajaj said ITR filing is going on "very smoothly".
If the verification process, which is done through ITR-V form, is not complete, then it is considered that the return has not been filed.
The residential and business premises of Kanpur industrialist Piyush Jain were raided on Thursday and Friday by sleuths of various anti-tax-evasion agencies.
The raids are being carried out at premises located in the national capital region and some states in the south.
Pawar, who is the State Minister for Finance, had commented then that the agencies were being misused.
The department had launched searches against the 48-year-old actor and the Lucknow-based group of industries involved in infrastructure on September 15 and the CBDT said the action was continuing.
IT officials had descended on the premises linked the actor in Mumbai and some other places on Wednesday in connection with an alleged tax evasion probe.
The new e-filing portal, www.incometax.gov.in, was launched on June 7.