Rabada beats Shreyas outside the off-stump as he gets the ball to jag away past the edge.
The next ball strikes him on the pads as Rabada gets the ball to swing into the right-hander.
The leg before shout is turned down before Gujarat take the DRS but the ball has done a lot and the impact is outside the line of leg stump.
Arya continues his sparkling start. A wide half-volley from Rabada is drilled through the covers by the left-hander for a boundary.
He takes a single before Shreyas crashes the last ball for a four behind point.
Punjab have recovered after the early wicket to race to 73/1 in six overs, with debutant Arya leading the way with 42 from 20 balls, with six fours and two sixes in the Powerplay.