"For longer-term stability needed to bolster the investment climate it would be necessary to address minorities’ underlying grievances."
Government forces defeated Tamil Tiger separatists in May, ending the 30-year ethnic war, and creating anticipation of an economic revival.
But underlying Tamil grievances on sharing political power that triggered the war remain unresolved leading to fears Tamil Tiger extremists might try to revive the conflict.
The World Bank report said that in terms of devolution of power to provincial councils, the Sri Lankan government has announced further devolution will only be considered after the forthcoming elections.
Parliamentary and presidential polls are anticipated next year.
The World Bank said that prelimi