The principal and teacher need some galis as they did not want to delve into amol's impeccable record at school before meting out punishment. Who is going to punish them for being hasty and too strict?
Punishing such young children for copying instead of reprimanding them and allowing them to sit for another test under strict supervision is driving many to depression, suicide and skipping school.
This is why the schools are in news nowadays for wrong reasons. Punishing kids, beating them to death or grievously injuring them.