In an search case the some undisclosed purchases and sale was found and special audit was called for and in the audit report it is mentioned that there are Nil cases falling u/s 40(A)(3. But the learned ITO while drafting the order invock the provision of 40(A)(3)and disallowed 20% of purchases and made the addition and he had also made the addition by applying G.P Rate of Sales. Is he Justified Please reply with relevant Case Laws