The board, which delivered its verdict in the case, was unanimous in its decision that it was not a sentence but a reformative procedure to help him get back with his life.
The board headed by Chairman S T Lakshmi Ramesh and members Girija Kumarbabu and S Isabel said the boy would be provided a chance for reflection and realisation of the meaning of life.
Releasing him on probation of good conduct under the care of his parents would not change his behavioural pattern either,
said the board sending him to two years in the "special security special government home."
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The boy, a student of a higher secondary school in the city, had stabbed his science teacher Uma Maheswari on February 22, 2012.
After being apprehended and handed over to the police, the juvenile said he was angry at Maheshwari for scolding him.
Despite today's verdict, there was no clear direction from the board on the nature of the crime - whether it was premeditated or done in the heat of the moment.
The police had earlier hinted that the murder was planned as the juvenile had brought the knife to school wrapped in a brown paper.
As there was no special security government home in the state, the board requested the state government to provide such a facility with adequate infrastructure and personnel.
Until it was established, he had to stay at the special home at Chenglepet, said the board.