Singh alleged that Bhushan had purchased the tea garden in the name of Kumud Bhushan Educational Society, which was illegal as there was a total ban on selling of tea gardens in the state to non-agriculturists.
In a statement issued here, the chief minister said, "The matter regarding illegal purchase of tea garden by Bhushan was also vociferously raised by political parties during the movement of Anna Hazare, of which he was a part.
NGO Common Cause has filed PIL in the Delhi High Court seeking a court-supervised CBI probe against Singh for alleged corruption and amassing of disproportionate assets.
Accusing "BJP and comrade-in-arms" of making malicious personal attacks on him to sully his image, Singh said he was not afraid of these "tactics".
More From This Section
"I have faced such baseless accusations in the past also and come clean on all the false cases fabricated against me by previous BJP governments. This time also, all the wild allegations made against me would fall flat," he said.
However, Jaitley had not only illegally procured details of his income tax returns, which cannot be obtained even under RTI without the consent of the assesses, but had also flashed them at a press conference in Shimla, "withholding" parts of it to suit the political motive of the BJP, he said.
Claiming that he always believed in clean politics and good-governance, Singh dismissed the charge of political vendetta against BJP and denied having indulged in victimisation.