Power to call for information

All officers appointed under sub-section

1. (1) of section 3 or an assessing authority may, for carrying out the purposes of this Act, require any person including a banking company, insurance company, electricity supply and distribution company, courier service company, post office, railway, a State Government corporation, or a State Government agency or body regulating any trade, tourism or commerce, or any officer thereof, to furnish any information, data or statistics which may be relevant to any proceedings or useful for tax administration.