person exceed 40 lakh limit he is liable to mandatory Gst registration if his total turnover 60 lakh. Question is how much amount is taxable 20 Lakh or fully 60 Lakh.
Yes, it's mandatory if the limit is crossed 20/40L based upon state to state. If it's proprietorship concern better to make another proprietorship firm and divide the sale 30-30 in both the firm.