India's annual rate of inflation based on the Wholesale Price Index (WPI) cooled to a 13-month low of 0.85% in April, down from 2.05% a month ago, according to data released by the Ministry of Commerce and Industry on Wednesday. The Positive rate of inflation is primarily due to an increase in prices of the manufacture of food products, other manufacturing, chemicals and chemical products, manufacture of other transport equipment and manufacture of machinery and equipment, among others.