Held that when the Revenue accepted the transactional net margin method in respect of the sales and purchases, and the comparable uncontrolled price method in respect of the interest received on loans and reimbursement of expenses, the writing off of these two amounts was subsumed in the transactions of receipt of interest on loans, and did not necessitate any separate benchmarking. The addition made on account of the writing off by the assessee of the dues  and bad debts from the Russian subsidiary were not sustainable. (AY. 2009-10)