You get a defective return notice if the Filed ITR is defective if any of the following ways:



  • Discrepancy or

  • Mistake or

  • Information is missing.


A notice u/s 139(9) is sent by the IT Department if the return is found defective.


Either CPC Bangalore or AO of your ward can issue defective return notice to you. The due date to file a response is 15 days from the date of issue of notice. You need to file a response to defective return notice from your Login on Income Tax E-filing Website. Following are the responses:



  • If you agree with the defect then you need to file a revised return along with a response to the notice.

  • If you do not agree with the defect then you need to file a response with the remark.


To read more about this, refer to our blog here.