S.270AA: Immunity from imposition of penalty,etc-Penalty for under-reporting and misreporting of income-Authority could not have proceeded to reject the application under Section 270AA before taking a final decision on imposition of penalty under Section 270A-The order was set aside with direction to the authority to consider objections and then take a final decision both on requisites under Section 270A and Section 270AA. [S.270A, Art. 226]