The judicial custody of the accused in the Pradyuman murder case was extended till February 12 by Gurugram Children's Sessions Court on Tuesday.
The accused, a Class XI student, was arrested by the Central Bureau Investigation (CBI) last year on the charges of killing Pradyuman Thakur, a Class II student of Gurugram's Ryan International School.
Pradyuman was found in a pool of blood with his throat slit inside the school premises on September 8, 2017
Earlier, the Sessions Court, which took over the case from Juvenile Justice Board, had dismissed the bail plea of the juvenile accused.
The Juvenile Justice Board had earlier ruled that the 16-year-old accused will be tried as an adult.