The GST rate for a fast food shop depends on whether you claim Input Tax Credit (ITC). If you don't claim ITC, the rate is 5%. If you do claim ITC, the rate is 18%. For businesses where most purchases are from unregistered suppliers, the 5% rate without ITC is generally more beneficial.
For Fast food Shop, GST is 5% without ITC and 18% with ITC claim If your most of purchase are from Unregistered suppliers..than 5% without ITC is beneficial