When intra-state supplies attract igst?

pritesh (CA Final student) (7101 Points)

14 September 2020  
what will be the example for intra state attracting IGST tax?

because when we go in b2b tab it shows above

deemed export tab

sez with payment or without payment ta

intra-state supplies attract igst

in what situation where intra state supply will be charged to IGST?