A 33-year-old man here stabbed his wife to death and chopped her body after he suspected her of having an affair, police said on Sunday.
He dumped some pieces of the body in a septic tank and the torso was found in a gunny bag in a drain, they said.
The man later surrendered at the Prem Nagar Police Station on Saturday night and said he killed his wife as he suspected she was having an affair, the police said.
"A case has been registered and we are further investigating the matter," Deputy Commissioner of Police (Rohini) S D Mishra said.
The man is currently in police custody, the police said, adding that he will be arrested soon.
He worked at a computer repair shop in Mayapuri and lived with his wife and children at Prem Nagar.
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