A special CBI Judge, S. Lal, had earlier held Aarushi's parents, Rajesh and Nupur Talwar, guilty of conspiracy and murder of 14-year-old Aarushi and domestic help Hemraj.
Investigators then said the Talwars killed Aarushi in a fit of rage after finding her with the 45-year-old servant in an "objectionable position", suggesting that the double murder was an honour killing.
He said the High Court verdict "does not say that the Talwars didn't do it" but that there was not enough evidence against them.
The Talwars, who are both dentists, are expected to be freed tomorrow from Ghaziabad's Dasna jail after the completion of paperwork. While speaking to ANI, a CBI official said that the agency is now waiting for the judgment copy and will decide its next course of action after studying it.
Pronouncing their verdict in a packed court room, justices Narayana and Mishra said, "From the facts and evidence on record, we find neither the circumstances nor evidence are consistent, and circumstances did not complete a chain showing involvement of appellants in the incident". They had appealed against their conviction.
"I am thankful to the judiciary for giving a positive verdict".
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"They have really suffered". It's been an exhausting journey for us and it has been very trying time for our family.
However, a day after Aarushi;s murder, Hemraj was found dead in the terrace.
The Talwars were arrested later that month.
"Justice delayed is NOT justice denied. Overwhelmed and deeply relieved upon hearing the news of the acquittal", Bhardwaj tweeted.
"I think if there is any way in which we can return to society, in Aarushi name, we will do it".
Calling CBI's doubt of Rajesh being the murderer as baseless, the parents opposed the closure of case.
However, the court rejected the CBI's claim of lack of evidence.