AASU, NESO observe black day to protest against CAA AASU, NESO observe black day to protest against CAA Despite widespread protests across the Northeast region last year, the controversial citizenship bill was passed in the Parliament on December 11, 2019. advertisement UPDATED: December 11, 2020 10:14 IST Several organisation across Northeast India said a black day will be observed to protest against the passing of the controversial citizenship bill last year on this day. (Photo: India Today/representational image) Various organisations in Northeast India will re-launch agitation programmes to protest against the Citizenship Amendment Act (CAA) from Friday. The North East Students’ Organization will observe Friday (December 11) as black day across the region as a sign of protest against the Citizenship Amendment Act, 2019.