DEAR SIR MY QUESTION IS , "A" COMPANY IS SISIER CONCERN COMPANY OF "B" BUT "B" COMPANY IS PURCHSED SOME ITEMS FROM "A" COMPANY FOR PROJECT WORK UNDER PGCIL CO. , BUT "B" COMPANY BILLING TO PGCIL MORE THAN PURCHSED BILL. , OBJECT QUESTION IS DIFFERENE AMOUNT OF DUTY CAN BE PAYMENT.
N.B-TWO COMPANYS ARE MANUFACTURING CO.
TaxTMI 