Its sales rose marginally to 5.15 MT from 5.12 MT a year ago.Tata Steel Europes output remained flat at 2.31 MT during the last quarter of the last financial year. The sales were 2.13 MT, down from 2.40 MT in the year-ago period.The production of Tata Steel Thailand fell marginally to 0.31 MT from 0.34 MT a year ago.