CHAPTER VIISPECIAL ECONOMIC ZONE AUTHORITYConstitution of Authority.31. (1) The Central Government shall, by notification in the Official Gazette, constitute, for every Special Economic Zone established by it before the commencement of this Act or which may be established after such commencement by the Central Government, an Authority to be called the . . . (name of the Special Economic Zone) Authority to exercise the powers conferred on, and discharge the functions assigned to, it under this Act:Provided that in respect of existing Special Economic Zones established by the Central Government, such Authority shall be constituted by the Central Government within six months from the date of commencement of this Act:Provided further that until such Authority is constituted, the person or the authority (including the Development Commissioner) exercising control over such existing Special Economic Zones shall continue to exercise such control over the Special Economic Zone till the Authority is constituted.(2) Every Authority shall be a body corporate by the name aforesaid, having perpetual succession and a common seal, with a power, subject to the provisions of this Act, to acquire, hold and dispose of property, both movable and immovable, and to contract and shall, by the said name, sue and be sued.(3) The head office of every Authority shall be at such place as the Central Government may specify in the notification referred to in sub-section (1).(4) Any Authority may, with the previous approval of the Central Government, establish branch offices at other places in India.(5) Every Authority shall consist of-