Rahul Dravid said new rules will have a huge impact on how the teams work out their strategies at the world cup .
New rules mandate five fielders inside the 30 - yard circle at all times in an innings .
Rahul Dravid said new rules , which mandate five fielders inside the 30 - yard circle at all times in an innings , will have a huge impact on how the teams work out their strategies at the world cup .