Steyn on fire at the moment as he bowls on a good line and length, testing the CSK batsmen with the new ball.
Kedar Jadhav clips the third ball on the leg side for a single and Rayudu guides the next ball to thirdman for one.
Steyn is unlucky as Jadhav gets a thick inside edge off the last ball which narrowly misses the stumps and goes for a boundary behind the wickets.
Umesh continues as he bowls on the pads and Jadhav manages to clip it through midwicket for a four.
The pacer gets revenge next delivery as Jadhav looks to heave it over the leg side but gets a top edge and is caught by de Villiers at mid-off for nine.
Mahendra Singh Dhoni gets a thick outside edge off the last ball of the over which goes through the gap past point for a four.
CSK off to a horror start in the Powerplay as they are reduced to 32 for four after six overs.