I am the student of IPCC and My father doing job in Centeral Government in CISF. and he is filling regularly his return but for the AY 2012-13 TDS credit did not paid by the employer to the IT department and the demand notice came for the tax payable but the tds collected by the employer was shown in the form 16a of salary but in that form certificate no. of the tds did not given so pleas guide me what to do in that case as soon as possible ....