MISA may refer to:
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Maintenance of Internal Security Act
The Maintenance of Internal Security Act (MISA) was a controversial law passed by the Indian parliament in 1971 giving the administration of Prime Minister Indira Gandhi and Indian law enforcement agencies very broad powers – indefinite p ...
, an act of Parliament in India
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Media Institute of Southern Africa
Media Institute of Southern Africa (MISA) is a non-governmental organisation with members in 11 of the Southern Africa Development Community (SADC) countries. Officially launched in September 1992, MISA focuses primarily on the need to promote fre ...
, a media watch-dog organisation across Southern Africa
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