"Reports in a section of the media about listening devices having been found at my New Delhi residence are highly speculative," Gadkari tweeted.
A close aide of the minister too denied the report, but did not give any details.
Deputy Commissioner of Police S.B.S. Tyagi too said police have not received any complaint from Gadkari in the matter.
"We did not receive any complaint from Nitin Gadkari or anyone else till now. Reports in some sections of the media that a listening devise was found inside Gadkari's house are totally speculative," Tyagi told IANS.