The minor was admitted to the Sanjay Gandhi Memorial Hospital where a team of doctors referred her to AIIMS after evaluating her grievous injuries.
Her widowed mother and elder sisters allegedly falsified her age when admitting her but hospital staff grew suspicious and alerted the District Child Protection Unit.
A havildar posted at Capital police station here was detained on Thursday for allegedly raping and impregnating his 16-year-old niece.
Sources in the family said that the victim, who lives with her grandmother, is a Class I student at a local school in Parlapally village.
The action against the 37-year-old accused was taken based on a complaint lodged by his wife, an inspector of Kanhan Police Station said.
The Delhi High Court on Tuesday directed the constitution of a medical board to examine a minor rape victim, who is seeking permission to terminate her 24-week pregnancy.
The man has been detained. A case has been registered against him for the offence.
The 27-year-old lured the girl under the pretext of playing with her and showing cartoons on television in his house and raped her.
Asaram was arrested in 2013 after a minor girl from UP's Saharanpur had reported sexual assault by the Godman in his ashram during her stay in Manai village on the outskirts of Jodhpur.
According to the Crime Branch charge sheet, the juvenile accused had played a key role in the abduction, rape and gruesome murder of the girl.