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Children have the most tender mind and have a tendency to grasp things quickly whether good or bad.
Now-a-days the news channels are flooded with Crimes committed by children, especially teenagers and adolescents. They are termed as Juvenile and they get saved from harsh punishment like death, but what is the main cause behind such increasing crime.
Its because they fall into wrong company and indulge themselves in crime.

It should be the joint effort of parents and all elders to inculcate good habits in children.
Their moral should be boosted so that they are conscious enough to judge what is wrong and what is right for them.
They should realize themselves that whose company is good for them and whose can be harmful for them.
Above all, the children who commit crimes which are too objectionable should be punished so as the other fear to do such crimes.

It should be the effort of all to make India free from her Children commit crime. 
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I have just given you a few paragraph (Not 300 words) though... It might help You :)
as we all know children are the future of the nation so it depends on them if they are good humans then our country will also be good and if they are bad so then the nation's future will also be like that. 
and children become criminals when they are not with their families and it is happen when parents do not have much money so they sent their children for work and they are away from their parents so no one is their to teach them good things so they adopt things that they see in their surroundings as how their manager treat them and when they adopt these habits they also become criminals in future .
and not only child labours also the children become criminal whose parents have not much time for their children and they are busy with their jobs so no one is there to look after them and then children do that things that they want to do so by this they also become criminals.
so crime free children are important and this will happen when children are with their parents and families and they study and also when their families and especially parents give time to them also.
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