Multiple choice The full form of MISA is Maintenance of Internal Security Act Maintenance of Industrial Security Act Maharashtra Insolvency Security Act Media Institute of Southern Africa Reveal answer Fill a bubble to check yourself A Correct answer Explanation MISA (Maintenance of Internal Security Act) was enacted in 1971 during Indira Gandhi's premiership to grant security forces broad preventive detention powers during national emergencies. It was later repealed in 1977.