ITALIAN CONSUMER PRICES RISE 0.4 PCT IN MARCH Italy's consumer price index rose 0.4 pct in March compared with February after an identical increase in February over January, the national statistics institute Istat said. The year-on-year rise in March was 4.2 pct, unchanged on February and compared with 7.2 pct in March 1986. Istat said its consumer price index for the families of workers and employees, base year 1985 equals 100, registered 109.5 in March 1987 compared with 109.1 in February this year and 105.1 in March 1986.