TDS calculation error

Dear All TDS calculation does not get calculated for certain BUs We use Standard Voucher Entry program (P0411) to enter vouchers and the  Voucher Entry Tag File program to enter India-specific information for the voucher. We enter codes to identify a tax deducted at source (TDS) and works contract tax (WCT). Case 1. Voucher is made for a particular BU say TPLONB and Default account is TPLONB.1110.ICICI. In this  case, TDS is getting calculated  and status comes as "A" Case 2. Voucher is made for BU other than TPLONB  say TPLDBT and Default account is TPLONB.1110.ICICI. In this particular case,