"We hope as this new freedom of movement continues and the Internally Displaced People are fully informed of the process, inconsistencies across the different camps and districts and bureaucratic obstacles will be ironed out so that all IDPs will be able to exercise their right to full freedom of movement," he added.
Some 288,000 people were displaced during the final stages of the conflict after government forces defeated the Tamil Tiger rebels and ended a 37-year-old conflict civil war.
Sri Lanka this week started granting free movement to the remaining war-displaced civilians held in internment camps, meeting a key demand of the international community.
Human Rights Minister Mahinda Samarasinghe said that nearly 70 percent of those displaced have been resettled in their villages