Members of national interest group linked to northeast wing of the India's main opposition Hindu-nationalist Bharatiya Janata Party (BJP) hold placards during a protest against the situation of the people in northeast, in New Delhi August 18, 2012. Indian Prime Minister Manmohan Singh assured migrants from the northeast that they were safe as thousands fled Mumbai, Bangalore and other cities on Friday, fearing a backlash from violence against Muslims in Assam.