Sec (5) If any person, having furnished a return under sub-section (1) or sub-section (4), discovers any omission or any wrong statement therein, he may furnish a revised return at any time before three months prior to the end of the relevant assessment year or before the completion of the assessment, whichever is earlier. Dear Sir, Please check above and let the querist know if there is a restriction on revised return filing if 143(1) intimation is received. I have already filed more than 10 revised returns for various clients even after receiving 143(1) Further, anyone can file a revised return within the time limit as specified in the section which is independent of 143(1) intimation getting received or not
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