Santosh Sivan - Theeviravaathi aka The Terrorist (1999)

Malli is a 19-year-old girl who joined a terrorist organization at a very young age after her brother was killed in the cause. Now in her young adulthood, she volunteers for a suicide assassination mission to kill a VIP in the service of her cause. With intricate preparations and seemingly firm resolve, she makes her way to the target area where the plot will be executed. However, events occur that make her question her determination to complete her mission and the very nature of the sacrifice that she is called upon to make.