Industrial production in April was revised downward to a seasonally adjusted fall of 1.5 percent from the 1.2 percent decline reported earlier, the Ministry of Economy, Trade and Industry said Thursday.

The index of mines and factories came to 92.2 against the 2000 base of 100, the first decline in two months, compared with 92.5 in the preliminary report, the ministry said.

The index of industrial shipments gained 1.1 percent to a seasonally adjusted 95.1, compared with an earlier reported 1.6 percent growth to 95.6.

The index of inventories slipped 0.1 percent to a seasonally adjusted 90.8, compared with a 0.2 percent drop in the earlier report.

The factory operating ratio was 95.1, down 0.2 percent from March for the third consecutive monthly drop. The index for production capacity was an unadjusted 92.9, down 0.1 percent from the previous month for the eighth straight monthly decline, METI said.