S. 92C: Transfer pricing-Arm’s length price-Avoidance of tax-International transaction-Management consultancy services-Internal CUP/Internal TNMM to be preferred over external comparables-Transfer pricing adjustment deleted-Transfer Pricing Officer not adopting any prescribed method-Adjustment unsustainable-Selection of comparables-Comparable engaged in similar line of business cannot be excluded. [S. 92CA, R. 10B]