S. 270A : Penalty for under-Reporting and misreporting of income-Immunity from imposition-Furnished all details of transactions-Disallowance cannot be considered misreporting-In absence of details as to which limb of section 270A was attracted and how ingredient of sub-section (9) of section 270A was satisfied, mere reference to word misreporting by revenue in penalty order to deny immunity from imposition of penalty and prosecution makes impugned order manifestly arbitrary-Penalty was quashed-Revenue was directed to grant immunity under section 270AA of the Act. [S. 14A, 270A(9), 270AA, Art. 226]