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According to 2012-13 circular, for schools that have both nursery and kindergarten classes, the age for admission is 3+. Otherwise for those schools that have only nursery, this age is 4+. Accordingly to the committee, children were emotionally, mentally and physically better equipped to start school at the age of 4. and reduces the pressure on parents as well as children.
ground rule age limit is three plus and in convent it is 4 plus