Pointers: – Over 1,200 goods and services except those in negative list attract GST. – Four primary GST rates: 5, 12,18 and 28 per cent. Some special rates such as 0.25 per cent, 1.5 and 3 per cent. Some of items are in NIL rates. – 28 per cent slab in GST contributes 16 per cent to the gross GST revenue, while the major chunk of 65 per cent comes from the 18 per cent slab. – The slabs of 5 per cent and 12 per cent contribute 10 per cent and 8 per cent of the total gross GST revenue, respectively.