law: 3[8. Wealth-tax authorities and their jurisdiction.
  The income-tax authorities specified in section 116 of the Income-tax Act shall be the wealth-tax authorities for the purposes of this Act and every such authority shall exercise the powers and perform the functions of a wealth-tax authority under this Act in respect of any individual, Hindu undivided family or company, and for this purpose his jurisdiction under this Act shall be the same as he has under the Income-tax Act by virtue of orders or directions issued under section 120 of that Act (including orders or directions assigning concurrent jurisdiction) or under any other provision of that Act.
  Explanation.
  For the purposes of this section, the wealth-tax authority having jurisdiction in relation to a person who is not an assessee within the meaning of the Income-tax Act shall be thewealth-tax authority having jurisdiction in respect of the area in which that person resides.