The company did not disclose the amount for which the stake has been sold.
"To unlock value, HTL has roped in a strategic investor to subscribe to the equity share capital of the company. Consequent to the allotment of equity shares to the strategic investor, the holding of Ashok Leyland now stands at 68 per cent," Ashok Leyland Ltd said in a filing to the BSE.
HTL, formerly Defiance Technologies Ltd, a wholly-owned unlisted subsidiary of Ashok Leyland, has now become a subsidiary company, the filing said.
Ashok Leyland shares closed at Rs 51.75 apiece on the BSE, down 1.99 per cent from previous close.