The company, which is a 50:50 joint venture between Volvo Group and Eicher Motors, had sold 4,471 units in the year-ago period, VE Commercial Vehicles said in a statement.
Domestic sales rose by 6 per cent at 4,186 units in March 2015 as against 3,944 units in the same month last year.
Exports of Eicher trucks and buses declined 39.8 per cent to 317 units in March 2015 as against 527 units in the same month of previous year, it added.