S. 10A : Free trade zone-Form signed by Deloitte Haskins and Sells-Form 56F was not signed by an Accountant, as referred in sub-section (5) to section 10A-Defective form-Not entitle to deduction.[S. 10A(5), 10AA, 44AB, 288(2), Form 56F, Chartered Accountant Act, 1949, 2(1), 6(1)]