Wrong pan no in service tax registration

Ashmal (sies) (54 Points)

24 June 2015  

Please help me with this 

 

one of my client has taken service tax registration on a wrong pan number of another person due to oversight.The service tax payment has been done and the return has been filed for the peiod october- march 2015.After filing the return the client came to know about the fact that service tax registration has been taken on a wrong pan no
Please suggest what steps should be taken to correct this mistake.Thanks in advance