Map of Mullaitivu front depicting events of Battle of Puthukkudiyiruppu (February 2009). Green line shows the original battle line and the red arrows mark the main LTTE attacks. While the battle in progress LTTE infiltration teams attacked the supply and communication lines of the defending troops. *Based on Presentation by Brig N A Dharmaratne "Operations Behind Enemy Lines" during the "Seminar On Defeating Terrorism, Sri Lankan Experience. Colombo - 31st May to 2nd June 2011"