A boy had given a love letter to the girl, which she had objected to following which her family had also raised the issue with the boy's family, police said citing the complaint.
Three persons yesterday entered the girls' house forcefully and attacked the family members injuring three of them, they said.
The accused identified as Sabir, Mehtab Nazir and Ahmad have been booked in this connection and efforts are on to nab them, police said.