A bench of Justices Madan B Lokur, Kurian Joseph and A K Sikri stood by its September 30 order through which the plea of former CBI Special Director M L Sharma, seeking original visitors' diary of Sinha's official residence, was sent to the bench headed by Chief Justice H L Dattu.
The bench, headed by the CJI which hears 2G scam cases, had then ordered sealing of the visitors' diary.
He said the court-appointed inquiry panel led by Sharma should "look into" all registered cases (RCs) and find out whether Sinha had favoured anybody with whom he had the alleged meetings.
"This amounts to wild goose chase," he said, adding that the ultimate purpose was to see whether the then CBI chief had favoured anybody or not. "I am open to all kind of scrutiny of RCs".
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He also alleged that the entries in the diary cannot be assumed to be correct and Sinha be allowed to dispute entries as some of them relate to the days when he was not even present in Delhi.
During the hearing, Attorney General Mukul Rohatgi said the M L Sharma panel, appointed to probe the allegations whether the then CBI Director had met some accused and favoured some, is demanding documents relating to Preliminary Enquiries recorded by the CBI and subsequent views of the CVC.
"Now the question is whether the inquiry panel will re-open all the coal scam cases. The question is what is the real width of its power and what do we do," he said.