ISLAMABAD The inflation is on its upward journey after reaching a 17-month record level last month, as it enhanced by 20.68 percent in the previous week over the corresponding period of last year. The inflation had surged to a seventeen-month record level of 15.71 percent in September, as prices rise in the wake of supply of commodities were disrupted due to flash floods in the country. The inflation is expected to further increase in the next couple of months. According to the figures released by the Federal Bureau of Statistics, inflation for all income groups showed an increase of 20.68 percent in previous week as compared to the same week last year, while on weekly basis it went up by 0.72 percent. The SPI-based inflation was increased by 21.48 percent for the lower income group (earning up to Rs 3,000 per month), and it rose by 0.88 percent on weekly basis. Meanwhile, it was enhanced by 21.33 percent for the lower middle-income group (Rs 3,001 and Rs 5,000), while it went up by 0.84 percent over the last week. The data further said that it soared by 20.85 percent for the income group (Rs 5,001 to Rs 12,000). The SPI-based inflation increased by 20.11 percent for the high income group earning more than Rs 12,000 per month last year, while on weekly basis it increased by 0.59 percent. Out of the samples of 53 kitchen items, prices collected from 25 urban centres, 23 items showed increase in prices, 9 items registered decline and the prices of 21 items remained unchanged as compared to the previous week. Within a span of one week, the prices of onions increased by 20.65 percent, red chillies, 3.06 percent, vegetable ghee, 2.71 percent, mustard oil, 1.68 percent, vegetable ghee, 1.38 percent, cooking oil, 1.38 percent, milk, 1.26 percent, curd, 1.06 percent, gur, 0.92 percent, egg, 0.77 percent, firewood, 0.63 percent, rice irri-6, 0.59 percent, mutton, 0.41 percent, wheat flour average, 0.40 percent and garlic 0.40 percent in last week.