Refund of non-claim tds in itr

Dear Sir,

The Assessee has not claimed TDS receivable in its return and the time for revised return is also expire, later its come to the knowledge of assessee that he has not claimed TDS in its return and Income Tax Department is not allowing the such TDS.

What the option available with the assessee 

kindly revert 

Thanks 

Ajai Bajpai