Frah Begum was killed yesterday at Amba Vihar, they said.
Police has registered a case against six persons, including the woman's husband Mohd. Arif, father-in-law Tanveer and mother-in-law Khushnooda in this connection.
The victim's father has lodged an FIR and alleged that his daughter was strangulated to death and buried in a graveyard without informing them and the police.