Generate FVU file with corrected data and filled it respective facilitation centere and ask for reacknowledge number or receipt number, whatever, for future refrence.
19 October 2012
The proceedure to correct the MISSPELT PAN is first register your tan take print out of registration Number and Password for future reference. After Registration in TIN NSDL WEBSITE send request for consolidated .fvu file. it will be received to your MAIL ID within 30 minites.
After opening the file in correction mode make changes - ie UPDATE PAN now you can enter the revised pan in that file. Save the file. And send it to TIN-FC along with form 27a. Verify after 2 days of getting the revised token from TIN-FC the pan will be corrected.