Three persons, including husband of the deceased were booked for killing Pooja yesterday.
Poonam (21) and Pooja (19) were respectively married to Pawan and his younger brother Ashok in February 2011.
Pooja's in-laws "strangled her to death" for insufficient dowry and then conveyed a concocted story to us, alleged Ram Avtar, father of the girl in complain to the police.
Pooja's husband Ashok Kumar, mother-in-law Lali Devi and brother-in-law Pawan Kumar have been booked, police said.