A Delhi court Thursday directed Manipuri activist Irom Sharmila - dubbed the 'Iron Lady' - to appear before it March 29 in a case of attempted suicide over her fast-unto-death at Jantar Mantar here in 2006.Metropolitan Magistrate Akash Jain issued the warrant against Sharmila after she failed to appear before the court.The testimony of the prosecution witness in the case is also being recorded. Sharmila is being detained in a security ward of a hospital in Manipur capital Imphal. She has been on a fast for about 12 years demanding repeal of the Armed Forces Special Powers Act (AFSPA).In March