The question consists of legal propositions/ principles (hereinafter referred to as 'principle') and facts. These principles have to be applied to the given facts to arrive at the most reasonable conclusion.
Principle: Nothing is an offence which is done by a child under seven years of age.
Facts: A child born on January 01, 2005 killed another child B on December 30, 2011.
A has committed no offense
A has committed the offence as it is heinous crime
Killing of one child by another child is not an offence
A has not committed the offence for on the date of killing of B, A was a minor
A has not committed the offense for on the date of the killing of B, A was a minor