These measures, and a series of riots and pogroms starting from 1958 that targeted Sri Lankan Tamils and the resultant mass murder, displacements and refugees, led to the formation of rebel groups advocating independence for Sri Lankan Tamils. After the 1983 Black July pogrom, full-scale civil war erupted between the government and the rebel groups.
These measures, coupled with a series of riots and pogroms targeting Sri Lankan Tamils starting in 1958, which resulted in mass killings, displacement, and refugee crises, led to the formation of rebel groups advocating for Tamil independence from Sri Lanka. Following the 1983 Black July pogrom, a full-scale civil war broke out between the government and these rebel groups.