Power to call for information

Where, for the purposes of determining the urban land tax payable by any person, it appears necessary for any authority or officer referred to in section 3 to obtain any statement or information from any person, it or he may serve a notice requiring such person on or before a date to be therein specified, to furnish a statement or information on the points specified in the notice and that person shall, notwithstanding anything in any law to the contrary, be bound to furnish such statement or information to such authority or officer: Provided that no legal practitioner shall be bound to furnish any statement or information under this section based on any professional communication made to him otherwise than as permitted by section 126 of the Indian Evidence Act, 1872 (Central Act I of 1872).