Copy-original prn is being demanded while filng corr.return

Yes, it is a rule that you will have to provide the copy of original provisional receipt with the revised TDS return. Download the below file:

https://www.tin-nsdl.com/download/e-tds/deductorsmanualquarterlycorrection.zip

This manual is prepared when it is not mandatory to file the correction return only from the downloaded return.

Now - is it necessary to continue...... I do not understand the relevance of it in the changed circumstances.