Tds refund from minor 26 as

Dear sir madamMy son have fix diposit in bank and I submitted his pan card number in the bank. In last year fy 2014/2015 bank has dedicated TDS IN his account and diposit tex in his 26AS. in all year I submitted his IT return in my NAME. Now how i can gat refund of that TDS In my return or please give me solution for got refund.