Who can opt in
Manufacturers and traders with aggregate turnover up to ₹1.5 crore in the previous year (₹75 lakh in special category states), and restaurants that do not serve alcohol. Service providers can use a separate composition option up to ₹50 lakh.
You cannot opt in if you make inter-state outward supplies, sell through e-commerce operators that collect tax at source (with limited exceptions), or manufacture notified goods such as ice cream, pan masala, and tobacco.