Ashok Leyland has reported 48 per cent jump in sales at 9,290 units in December 2014.
The Hinduja Group company had sold 6,275 units in the same month of 2013.
Sales of medium and heavy commercial vehicles soared 85 per cent in December 2014 to 7,210 units against 3,890 units sold during the same month of the previous year, the Chennai-based automaker said in a statement.
The company witnessed 13 per cent decline light commercial vehicles sales last month to 2,080 units from 2,385 units sold in December 2013.
Total sales during the April-December 2014 period grew 12 per cent to 70,743 units from 63,294 units sold during the corresponding period of the previous year, the statement said.