"They (opposition) are free to put forward their version. But the allegation is baseless," Munda told newsmen when his reaction was sought over the claim by a section of tribal leaders about his caste status.
"The issue is being wrecked up ahead of the poll with the sole motive of driving political mileage by confusing the tribals," the BJP leader said.
They also submitted documents in support of their claim before the committee headed by Deputy Development Commissioner Dr Lalmohan Mahato.
Mahato, however, refused to comment on the issue as probe was still on.