In response to notice under section 139 of the IT Act, Revised Return can be filed within the prescribed time limit for the Revised return under section 139(5).
Mr Girish Jain sir I also said that u can revise your ITR if your ITR is pertain to 139(9) within 15 days from receipt of such defective notice or u can seek your AO to extend the such days by written a application
Yes, If you have submitted response to notice issued under section 139(9) and thereafter like to revise return then you can do so. If there is minor mistake in return then return is treated as defective and assessee is given time to rectify that defect. also you have option to file revised return even if notice issued under section 139(9). CA umesh kumar- 9717597230