The raid was carried out Saturday night in coordination with police following a tip-off, and besides several bottles of alcohol, a number of narcotic substances, including cocaine, were also found at the spot.
The knife used in the crime has been recovered, a police officer said, adding that the cause of death will be ascertained after post mortem.
The accused has also been involved in five cases of murder, attempt to murder and extortion, police said.
The accused said she had received a complaint of cheating against the victim, from a few employees of the call centre where she used to work previously.
As Couple awaited for the bus to Sarai Kale Khan, a stranger also awaits with them, a car came, one of the accused forcibly pushed them inside the car.
The 17-year-old accused, a resident of Najafgarh, was apprehended at around 4:10 pm on Thursday from Dhulsiras Mor in Dwarka, they said.
The accused identified as Khushboo (19) was working for the complainant for about 20 days but on Friday she left the job citing an emergency.
Commenting on the incident, the police said the woman and the accused had a heated exchange of words two days ago.
The CCTV cameras installed at nearby areas were examined upon investigation and the motorcycle used by the accused was identified.
The man claimed he was a trainee at the CRPF training force in Srinagar and was on his way to Shamli for his mother's final rites.
The deceased told her father that she had eaten cashew nuts, which had led to some reaction.
The accused raped the woman on the pretext of marrying her. But when he refused to fulfill his promise, the victim registered a complaint, following which he was arrested.
According to a senior police officer, a resident of Shakurpur had lodged a complaint that three to four persons had attacked one of his friends Shanu in January.
A case was filed by the wife of the deceased, in which she had stated that on Saturday her neighbour started shouting at her and her husband and claimed that the couple had beaten their dog.
Evidences accessed on the CCTV footage showed one person having a scuffle with the woman, who snatched the envelope in which the cash was kept and fled.
The accused himself made a call to the PCR and informed them he was taking one injured person, who had met with an accident, to the hospital.
The husband of the woman had passed away five years ago. She was living alone since then and did not have any child.
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