The incident took place on Sunday in a village under Bhopa Police Station, SHO Subhash Babu said, adding a case was registered against the accused, Shubham and Ashish, who are absconding.
The 15-year-old victim has been sent to a government hospital for medical examination, Additional Superintendent of Police (ASP) Rajendra Kumar Gautam said.
According to police, the man had himself served the poison to his twin sons, aged 22, and then consumed it himself in a bid to end their lives.
The incident occurred near Bhoor Garhi village in Masuri town of the Ghaziabad district when Nasir, a resident of Shaheed Nagar in Sahibabad, was on his way to his meat shop in the town.
The incident took place in Mujibpur village, Superintendent of Police Yamuna Prasad said.
The court imposed a fine of Rs 2.20 lakh on the convict and ordered that he will have to spend additional time in jail if he fails to furnish the amount.
The teen, who works in a private company, was sexually assaulted on Thursday and made her escape on Friday while she was being taken to another place, police said.
The report of the commission was tabled by the state parliamentary affairs minister Suresh Khanna in the Assembly.
Vipul Saini, who has a Bachelor of Computer Applications (BCA) degree, was arrested Thursday from Nakur town's Maccharhedi village in Saharanpur district.
The accused were held on Friday from Bareilly district by officials of the Cyber Crime Police Station Noida over the con job that started two years ago, they said.
UP: Man booked for impregnating minor girl on pretext of marriage, pressuring her to change religion
When the girl's father reached the man's house to complain about it, he was allegedly threatened of being shot, Additional Superintendent of Police Vinod Kumar Pandey.
After the news of the suicide reached the villagers, they held a demonstration demanding that a case be lodged against policemen.
Family members have also been accused of trying to dispose of the body by throwing it from over the Patanwa bridge on the Deoria-Kasya here but it got stuck in its railing.
According to the family of the girl, she had gone to fill water from a hand pump near her house on July 9 when the youth abducted her and raped her, they said.
According to the complaint lodged by Ashok Kumar, his brother Dhruv Kumar was allegedly taken to the hospital by ASHA worker Neelam Devi under the pretence of administering him the vaccine last Sunday