Prime Minister Yousuf Raza Gilani is chairing a high level meeting at Prime Ministers Secretariat in Islamabad today to chart out anti-terror strategy in the aftermath of terrorist attacks on Data Darbar.Chief ministers of all the four provinces, Interior Minister Rehman Malik and heads of intelligence and law enforcement agencies are attending the meeting.A strategy will also be made regarding the National Conference.According to sources, the national conference regarding terrorism will be addressed by important political leaders, parliamentary leaders of political parties in national assembly, and heads of intelligence agencies, Rangers, Frontier Corps and Frontier Constabulary.