A woman has been arrested for forcing into prostitution the 14-year-old girl who brought battered baby Falak to hospital, police said on Thursday. This is the fourth arrest in the case.
The woman has been identified as Arti, the associate of another arrested woman Pooja.
Police on Wednesday announced the arrest of three people - Sandeep, his wife Pooja and Jitendra Kumar Gupta, the teenager's father who used to physically assault her.
Falak was brought to All India Institute of Medical Sciences (AIIMS) on January 18 with severe head injuries and bite marks all over her face by the teenager, who initially claimed to be her mother.
The girl is now in a juvenile home.
She got the baby from Rajkumar, the key accused in the case who is on the run.
According to police, the juvenile girl was taken to Etah in Uttar Pradesh by her father's acquaintance Pooja, who forced her to marry an old man. Upon refusing, the girl was repeatedly raped by Sandeep.
The couple later brought her to Delhi and forced her into sex trade in Munirka area of south Delhi.
It was here that she met the key accused in the case Rajkumar Gupta, who married her and started living in Mahipalpur area of south Delhi.
Rajkumar got Falak from a woman Laxmi, who after being questioned by police, revealed that she received the baby from Munni, the biological mother, who is absconding.