It is noticed that you have shown difference values for HTS wire in the invoices raised on different months for payment of Central Excise duties. In this connection, it is requested to submit the work sheet/ details for arriving the values that were shown in the invoices. What are all the elements and their value viz. material / input cost ( steel etc.) and other elements that constituted in the invoice value. In other words break-up for the value shown in the invoices may be sent urgently.