From learning Krav Maga to doing stunts on their own, Trisha Krishnan, Amala Paul and Raai Laxmi are willing to push the boundaries when it comes to essaying action-oriented roles on screen. From learning Krav Maga to doing stunts on their own, southern actresses like Trisha Krishnan, Amala Paul and Raai Laxmi are willing to push the boundaries when it …