Vat on freight for tax invoice

Dear All,

I am an accountant, my one of the client  engaged in water supply of bisleri bottle. My client making tax invoice bill as under  and raise debit not for delivery charges seperatley.

Taxable Net Amount                10,000/-

VAT 12.50%                                  1,250/-

---------------------------------------------------

Taxable Amount               Rs.  12,250/-

Freight                               Rs.     2,000/-

--------------------------------------------------

Tax Invoice Amount         Rs. 14,250/-

============================

My client raised debit note for Rs.2000/-

While filing vat return my cleint shows sales figure for Rs.12,250/-

So my question is is this process is valid ?

Please reply me URGENT

Thanking you meanwhile.