There are 6 GST slabs. The first 4 slabs are – 5%, 12%, 18% and 28% for all kinds of goods and services. The other two slabs are 1.5% and 3% for jewellery, cut diamonds, precious metals, and some selected automobiles. So, there are 6 slabs in total. There is also a 0% slab implying no GST has been charged on the service or product.