The deceased identified as Shriram Saini (21) was abducted and strangulated to death at Simbhalka village and the body was later thrown at some other place allegedly by the girl's parents who disapproved of their relationship, Deputy SP C P Singh said.
The incident took place when Saini, who was working in a private company, came to meet Baby, after she was forced to call him at her parents' behest, he said.
The father of the girl, Ramkumar, his wife Kusum and the girl have been arrested, Singh said.