Shall i need register my business in GST portal

I have not using any private land or other person's places. i am selling fishes from my home. Shall i register my business in online? What types of business should be getting the registration certificate. My friend having their personal email id and phone number with contact address. If i need to registering with GST means what are the rules and conditions are applied for that process. I need available and required nature of points also.

 I am searching more information about the GST registration and GST news and updates in online. But i not get clear sources. I have saved the important information from my mail id and also i have shared with my friends.  What types of documents are required for the GST registration in online? I am ready to submit the required documents in official website. I need to check my invoice bills and payment details in online.

It is getting all types of payments and sales made for every time. GST certificate what is the use. I am supplying fishes to all over in India. I need to purchases some of things for marketing the fishes. A different type of tips and answer for the relevant question is awesome. i can show the complaints in online portal address.

I have used my friend websites are getting needs for customers and receive their contact details. After i will send the fishes to the address. I have expand my business so i am getting doubts about my business should be need to register or not. Please explain me about the GST registration and what are the details are available in GST registration certificate

I am getting trouble for getting details about that in online. So I need you help about that.  I am getting confident to you. I can also give my detail. Please friends give me the essential and important details for that registration