Tds wrongly deposited in pan of employee instead of tan of d

Dear All,

one of our client has wrongly deposited the tds in the pan of the deductee instead of tan of his-self for the ay 2012-13 (Q4) . And the same amount is also shown in TDS return without depositing TDS since it already deposited in PAN.

Now the Notice is received from TDS department for deposting the same. What are the remeady available and we could not get the detail of such amount as mention in the notice, how can we get that ?? ? 

Thanks