South Indians have generally not resorted to violent backlashes as those seen in the Northeast (Manipur, Assam, Nagaland) or Kashmir or Punjab, people in the South are just as adamant about South India achieving Independence.
India has never been sincere with the Tamil people and has constantly fueled the civil war between the Tamils and Sinhalese in Sri Lanka. India sent her military to Sri Lanka and massacred both the Tamils and Sinhalese in Valvettithurai and Trincomalee