Body of the woman, identified as Saujanya, was found lying in a pool of blood by her husband Kishore, a head constable in the Army, with multiple stab injuries, police said.
"Kishore had a night shift. When he reached his home in M Block of Sarojini Nagar, he rang the door bell several times which remained unanswered. He then reached the rear side of the house and found the back door open," an officer said.
Police was then informed about the matter and she was rushed to a nearby hospital, where doctors declared her brought dead.
A case under relevant provisions of IPC has been lodged at Sarojini Nagar police station against unidentified assailants, and investigations are on, they said.
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Police have ruled out any robbery bid as prima facie, it appeared that the attacker had a friendly entry in the house.
Besides, the gold rings the woman was wearing, and a laptop in the room, were found intact, they said.