You can summit a rectification request after the return processed or you can file a revised return under section 139(5)on receiving an intimation letter as per 143(1)
@ ayusmita, there's no necessity for receipt of intimation u. s. 143(1) to file revised return. as said by Mr. shivam, a return can be revised before the end of the relevant assessment year or before the assessment is made whichever is earlier
Which assessment year. revised return it's depends upon AY wise You only revise your return for AY2019-20 and 2020-21 only other previous return you cannot revise. kindly provide information what you want revised and ay. Than I shall give you correct suggestion.
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