March 7, 2021 5.00 PM Payment of (additional) fee, if any for error correction, can be paid through Credit/Debit Card/Net Banking/UPI/PAYTM March 7, 2021 CMAT 2021 Error Correction Window: What it means for CMAT aspirants.. The CMAT registration & application form error correction window reopening offers last chance to edit the CMAT application form mistakes All the candidates who have applied for CMAT exam 2021 in first phase till Jan 30, 2021 or till March 1, 2021 can use the opportunity to correct the CMAT application form errors till March 7, 2021 NTA has clarified, “Any request for change in the particulars after the closure of correction period will not be considered by NTA under any circumstances.”