"Judiciary should be like Caesar's wife above suspicion," he said, adding that "I don't approve of Justice Karnan going public against corruption in judiciary but no one can dispute the issue of corruption in judiciary".
In a series of tweets, the former Madhya Pradesh chief minister said, "Supreme Court must seriously look into corruption in judiciary. If Hon CJI wants I can give instances of corruption in judiciary to him".
He also noted that some should also do a study on how many judges who have been dismissed from service are Dalits and tribals.
"I know of number of SC/ST students who have come in merit in IIMs, IITs and in UPSC exams where there is level playing field," he said.
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The Supreme Court today issued a bailable warrant against sitting Calcutta High Court judge Karnan for non-appearance in a contempt case, an order unprecedented in the annals of Indian judiciary.
Justice Karnan hit back at the apex court over the warrant to ensure his presence before it on March 31, calling it "unconstitutional" and alleged he was being targeted for being a Dalit.