Registration

If you are dealing in EXCLUSIVE SUPPLY OF GOODS , then the threshold limit for GST Registration is "Rs. 40 lakhs."

And if you are dealing in EXCLUSIVE SUPPLY OF SERVICES or MIXED SUPPLIER ( i.e. both Supply of Goods and Supply of Services ) then the threshold limit is "Rs. 20 lakhs."

Refer Section 22 of the CGST Act 2017.

exclusive supply of goods within the states, the limit is 40 lakhs. if you want to sell interstate reg is required from rupee 1 sale. and supply of services is exempt from reg upto 20 lakh within or interstate.