Sri Lanka Human Rights Commission has issued detectives for arresting and detaining persons under the Prevention of Terrorism Act. The directives are based on directives issued by previous heads of state and binding international human rights law standards.
If implemented properly these directives are bound to improve the human rights in Sri Lanka and police will have to act legally in making arrest and detentions.
Read the directives as a PDF here Directives-on-Arrest-Detention-by-HRCSL-E-