Official sources said a list of the these fundamentalist organisations was prepared by intelligence agencies after various inputs suggested that their activities were inimical to country's peace and social harmony.
"All these organisations have come into existence in last 20 years. While many of them are believed to have external links, some are engaged in militant activities," an official said.
The organisations are: Muslim Security Council of Assam, United Liberation Militia of Assam, Islamic Liberation Army of Assam, Muslim Volunteer Force, Muslim Liberation Army, Muslim Security Force, Islamic Sevak Sanng and Islamic United Reformation Protest of India.
The other outfits in Assam are: Revolutionary Muslim Commandos, Muslim Tiger Force, Muslim Liberation Front, Muslim Liberation Tigers of Assam, Muslim United Liberation Front of Assam and Muslim United Liberation Tigers of Assam.
Intelligence agencies also prepared a list of five such organisations operating in Manipur. They are: Islamic National Front, Islamic Revolutionary Front, United Islamic Liberation Army, United Islamic Revolutionary Army and People's United Liberation Front.