S. 92C: Transfer pricing]-Arm’s length price-Avoidance of tax-International transaction-Advertisement, marketing and sales promotion (AMP) expenses-TP adjustment made on account of AMP expenses incurred by the assessee is not sustainable-Selection of comparables-For benchmarking under the RPM, functional attribute is a primary factor rather than the similarity of the products-Reimbursement of expenses-TPO, as well as the DRP, were not justified in treating the value of the international transaction of reimbursement of expenses to be Nil.[S.92CA]