The previous estimate of 11 percent, was based on oil prices being around 90 US dollars a barrel. The Central Bank said at the time higher oil prices may mean inflation of around 14 percent for 2009.
In April Sri Lanka's inflation rose to 25.0 percent as measured by the New Colombo Consumers' Price Index while an older index showed inflation at 29.9 percent.
"The continuous rise in international commodity and oil prices as well as domestic supply constraints, caused a higher than expected increase in inflation during the month," the Central Bank said.
"The rapid surge in global crude oil prices as well as the high prices of other commodities has led to persistent inflation pressures world-wide." Central Bank says the increase of fuel prices may push the index up further, though it would redu