S. 92C : Transfer pricing-Arm’s length price-Avoidance of tax-International transaction-Specified domestic transaction-Disallowance of expenditure-Existence of international transaction must be established and not inferred-Burden on Revenue to prove existence of international transaction-Amendment introducing deeming fiction in section 92B(2) with effect from 1-4-2015 not applicable to assessment years 2009-2010 and 2012-2013-Orders of assessment set aside. [S. 92B, 92CA, 92D, 92F, 260A]