CA student Can do business (GST Registration)

I have completed my 3 years of articleship,
Now i want to open an office for tax consultancy and Accounting services.
I am also taking GST Registration for the same.

I am also pursuing for CA Final.

Is there any restriction that.....CA Student cannot do any business without ICAI permission.....?

Can i take GST Registration and start my cosultancy service.....?

Kindly Clarify the same..