"It is a not political vendetta but political sacrilege. People who have ruled this country for 50-60 years are now questioning the ability of the judiciary to take decisions.
"People are now thinking that this is what the Congress did in its rule -- using the judiciary for their own need," Singh told reporters outside Parliament.
He said the BJP government has not interfered in any Constitutional body and has also made sure that the independence of is judiciary intact.
"Judiciary should take cognisance of it. This is questioning the credibility and independence of the judiciary. People are thinking that this is what they have been doing all this while as Congress feels judiciary can be used. This is their subconscious mind speaking," he said.
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Singh said that the matter is not a political case but a criminal one in which "money has been swindled, theft has taken place".
He said that the National Herald case should be dealt like any other criminal case.
Delhi High Court yesterday rejected the pleas of Rahul and Sonia Gandhi for quashing the summons against them in the National Herald case.