Dayal said the detained student was weak in studies and "wanted to have examination and parent-teacher meeting postponed".
"We have come to the conclusion on the basis of CCTV, forensic evidence and scientific evidence".
Seven-year old Pradyuman was found with his throat slid inside a washroom of Ryan International on September 8 of this year.
The Central Bureau of Investigation (CBI) detained a Class 11 student on Wednesday morning for the murder of seven-year-old Pradhyuman Thakur, who was found dead in Gurugram's Ryan International School in September.
The CBI on Wednesday demanded custody of juvenile student arrested in connection with the Pradyuman murder.
According to the Newspaper, .
They also said that no sexual assault theory came out during their initial investigation. However, on Tuesday night they arrested him claiming that the boy was arrested. "My son has not committed the crime, he informed gardener and teachers". "It's not just the role of the conductor but there are many others who also need to be probed", Thakur was quoted as saying by CNN-News18.
Reacting to the news, the Haryana DGP said, "We have a suspect, the CBI has a new suspect".
Ashok's family members had claimed that he was being framed while Pradyuman's parents had accused the school of a cover-up and had alleged that the police had done a shoddy job. Also explained how CBI has suspecting him and his son for this murder case.
Wife of the bus conductor said, "Ashok was beaten up and was given an injection".
The detained boy was listed as an eyewitness in the case, according to media reports. After massive public outrage, the CBI took over the matter on September 22 and the investigation is still underway.
The sensational twist to the murder has raised several parallels with another case - the 2008 Aarushi Talwar-Hemraj murders in Noida.