Home minister P Chidambaram on Thursday said, Afghanistan and Pakistan are the epicenters of terror. Addressing a conference in New Delhi, Mr. Chidambaram said terror groups from Pakistan are behind the recent terrorists attack against India. He said no country in the world is immune from terror attacks. The Home minister said Indian terror groups are attracting radical youth towards them. Mr Chidmbaram said country's security forces are not complacent and are capable to deal with multiple threats. He also said left wing extremism is most violent in the country. The Home minister said, there is no decline in left wing violence in Jharkhand and Bihar. Mr. Chidambaram, however said, there is decline in communal violence in recent years in the country.