1. State Government may, by an order published in the Official Gazette, constitute a Bureau of Investigation, and it shall consist of such personnel and in such number of officers and such hierarchy of supervision and control, as may be specified by the State Government in the said order.

Provided that if authorities appointed under sub-Section (1) of Section 4 are specified as such it shall without prejudice to the powers under sub-Section (1) of Section 4 exercise the powers of an authority under Section 62, 70, 71, 72 and 73 for carrying out the purpose of this Act.

2(i) The Commissioner may, by an order published in the Official Gazzette, authorise an officer of the Bureau of Investigation to exercise the powers of an authority appointed under Section 4 in respect of such matter, as may be specified in the order.

(i) The Bureau of Investigation shall function under the control and supervision of the Commissioner, and shall discharge such duties as may be assigned to it, by the Commissioner, including investigation of offences under Section 87 of this part.