1) Is ASIN no. required for GST No?
>>No, ASIN no. is not required for GST No.
2)For private level, I want to give a brand name like “quality-smart”. Do I need any document for this?
>>For Brand registry it is suggested contact your CA.
3) Before getting GST no. do I need to select the category of the product first?
>>Yes, for GST no. you have to select the category of your product first. But after your GST registration, you can also add another product into your category.