GST Registration Amendment

Aj Style (Student) (354 Points)

29 December 2020  
I am a proprietor and started a business in trade name ( ABC & CO.)and taken gst in the same trade name, now after 6 month I want to change my Trade name into (XYZ & Co.)
1. Do i need to amend my gst Registration for the same?
2. do i need to make new rent agreement in this new trade name?