Wrong pan no. in return

Dear All,

I have download justication report inwhich I found one pan no. is given wronge of one party under 194 C, therefore report has generated short deduction and tds payable @ 20% on the amount under section 206AA, where I have paid @ 2% as applicable, my query is should I correct pan no. with revise return or I will have to paid tds @ 20%, is this mandatory.