A bench of justices F M I Kalifulla and U U Lalit issued notice to Singh and others including the state government and fixed the petitions of CBI for hearing on November 5.
The bench, however, did not grant interim stay on the October one order of the Himachal Pradesh High Court.
Attorney General Mukul Rohatgi, appearing for CBI, started advancing arguments with the assertion that one of the judges of the High Court bench, which has granted the relief, had earlier recused from hearing a case, involving the Chief Minister, on the ground that he (leader) was once his client.
"This learned judge is on record that he will not hear the case as he (Singh) was his client. The learned judge should have said so in this matter as well," he said.
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The CBI has filed a transfer petition and a special leave petition in the apex court seeking transfer of the case against Singh from Himachal Pradesh to Delhi and setting aside the order passed by the state high court, respectively.
He referred to the content of the High Court order and said that it has virtually stalled the investigation process by granting relief such as protection from arrest and no interrogation of accused without its prior permission.