The Indian wind group today told the Mumbai Stock Exchange that its shareholding has now passed to ZF Friedrichshafen, the German auto engineering group that is acquiring Hansen.

Suzlon bought Hansen for €465m ($668m) in 2006 at the height of the last wind turbine boom, to ensure a steady supply of gearboxes.

But over recent years the Indian turbine-maker has steadily sold-off parts of its Hansen stake to alleviate its own debt burden, leaving it with just a 26% interest in the company by the time ZF made its £448m offer