"The BJP is trying to mislead the people on this issue just to tarnish my image," he told mediapersons here.
The Dhumal government had attacked Virbhadra over his allged involvement in irregularities in the steel ministry.
On the allegations of illegal land deals by his brother-in-law Arun Sen, Singh said he was adopted by the royal family of Kothar estate and inherited the property by virtue of being legal heir.
However, in case he had transacted any land deal in violation of land reforms or ceiling law, the government was free take any action it deemed fit, he said.
He termed the allegations of illegal land deal by Sen as "baseless".