Food inflation fell to a 20-month low of 7.33 per cent for the week ended July 16, on the back of cheaper pulses, even as other items grew more expensive. Food inflation, as measured by the Wholesale Price Index, had stood at 7.58 per cent in the previous week, and at 18.56 per cent in the year-ago period. During the week under review, prices of pulses fell 8 per cent, year-on-year. But onion prices rose 22.66 per cent, and fruits became 13.90 per cent dearer. Potatoes became 10.55 per cent costlier, while milk was up 9.96 per cent. Vegetable prices rose 7.59 per cent. Overall, primary articles showed inflation of 10.49 per cent for the week under review, down from 11.13 per cent in the previous week. But inflation of non-food articles stood at 16.05 per cent, from 15.5 per cent in the previous week.