S. 14A : Disallowance of expenditure – Exempt income – Stock in trade – Controlling interest – Principle of apportionment – Only that expenditure which is “in relation to” earning dividends can be disallowed – AO has to record proper satisfaction on why the claim of the assessee as to the quantum of suo moto disallowance is not correct. [S. 36(1)(iii), Rule. 8D]