He was arrested by the Gurugram police, which claimed that he had tried to sexually assault the seven-year-old Pradyuman Thakur in the school washroom but killed him with a knife when he resisted.
Kumar was released on bail earlier this week.
Kumar, who spent 75 days in jail, has alleged torture at the hands of Gurgaon Police, which initially investigated the Pradyuman murder case. "We have made a decision to file a case against Gurugram Police Special Investigation Team officers who framed and used torture and even drugged him to confess before the media that he had committed the crime", Ashok's father Amirchand had said.
Speaking to ANI, Ashok's wife said that the police authorities beat him up, hung him upside down, tortured him and even sedated him to confess for the murder of Pradyuman.
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Until previous year , Kerimov owned Russia's Anzhi Makhachkala football club, the BBC added. It was not immediately clear if a lawyer had been hired to represent Kerimov in France.
The CBI's stunning revelation derailed the Haryana Police version of the gory crime which led to the arrest of the school bus conductor.
A Gurugram-based district court had granted him bail on Tuesday.
The incident sparked a public outcry after which the Gurgaon Police arrested Ashok, alleging him of killing the student. The Gurgaon Police did not carry out a proper investigation. "DNA has not matched with the blood sample of the killer's blood which was found on Pradyuman's clothes", said Verma.
According to Mohit Verma, counsel for Kumar, the CBI has not been able to present any evidence against Ashok.
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The actor and singer was in pain and taken to hospital on Wednesday (local time), the representative added. Partridge Family alum David Cassidy was recently hospitalized and his family has rushed to his side.
The CBI was asked to submit the status report in the court after arguments by all parties on November 20, and the judge had reserved the decision for Tuesday.
A local court released him on bail this week after the Central Bureau of Investigation, which was handed over the probe, said it did not have any evidence to support the theory that Kumar was involved in killing Pradyuman.
The case was later transferred to the CBI, which eventually found that a senior student of the school committed the crime in a bid to "postpone the examination and parent-teachers meet".
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He said there is already a policy for those Kashmiris "who had crossed over to Pakistan and married there". Brigadier Malik said that anti-militancy operations will continue "relentlessly".