As per reports, director of the centre Poonamchand Malviya used to often abuse the girls sexually.
The heinous act increased rapidly over the period after the girls did not oppose to his advances.
The man on Monday called the victims to his room to watch TV and raped them again.
A lady residing near the centre informed the police about the incident following which police arrested the director.
On producing the accused before the court, he was sent to jail custody on Tuesday.
A case under Indian Penal Code (IPC) section 376 ans POSCO act has been registered against the director. (ANI)