S. 92C: Transfer pricing-Arm’s length price-Avoidance of tax-International transaction-Selection of comparables-Companies included by assessee itself in final list, later sought to be excluded on functional difference/turnover filter-Functional similarity established-Turnover difference not sufficient for exclusion-Interest on outstanding receivables constitutes international transaction-Rate depends on currency of denomination-Remanded for reconsideration-Employees’ contribution to provident fund-Belated remittance not deductible even if paid before due date of filing return [S. 2(24)(x), 36(1)(va), 92CA, 139(1)]