23-year-old Kala beheaded his 19-year-old sister yesterday and threw her head in her 20-year-old boyfriend's house in Bihari village, SP (city) Raj Kamal Yadav told reporters today.
The girl's family was opposed to the relationship. Kala yesterday entered into a heated argument with his sister and later beheaded her.
Police has registered a case against Kala, who is absconding along with his other family members.
Tension prevailed in the area after the incident and security has been tightened in the village.
