138. (1)(a) The Board or any other income-tax authority specified by it by a general or special order in this behalf may furnish or cause to be furnished to— (i) […]

137. [Omitted by the Finance Act, 1964, w.e.f. 1-4-1964.]

136. Any proceeding under this Act before an income-tax authority shall be deemed to be a judicial proceeding within the meaning of sections 193 and 228 and for the purposes […]

135. The Principal Director General or Director General or Principal Director or Director, the Principal Chief Commissioner or Chief Commissioner or Principal Commissioner or Commissioner and the Joint Commissioner shall […]

134. The Assessing Officer, the Deputy Commissioner (Appeals), the Joint Commissioner or the Commissioner (Appeals), or any person subordinate to him authorised in writing in this behalf by the Assessing […]

133C. 31[(1)] The prescribed income-tax authority32 may, for the pur- poses of verification of information in its possession relating to any person, issue a notice to such person requiring him, […]

133B. (1) Notwithstanding anything contained in any other provision of this Act, an income-tax authority may, for the purpose of collecting any information which may be useful for, or relevant […]

133A. (1) Notwithstanding anything contained in any other provision of this Act, an income-tax authority may enter— (a) any place within the limits of the area assigned to him, or […]

133. The Assessing Officer, the Deputy Commissioner (Appeals), the Joint Commissioner or the Commissioner (Appeals) may, for the purposes of this Act,— (1) require any firm to furnish him with […]