A woman allegedly murdered her husband with the help of her lover in Chiluvuru village of Duggirala mandal.
The accused later attempted to portray the death as natural, police said on Wednesday.
According to Mangalagiri Rural CI Venkatabrahmam and Duggirala SI Venkata Ravi, the deceased, Lokam Siva Nagaraju, an onion trader, was found dead
under suspicious circumstances two days ago.
Nagaraju had married Lakshmi Madhuri in 2007, and the couple had two sons.
A post-mortem examination revealed broken ribs and death due to suffocation. During questioning, Madhuri reportedly confessed to the crime. Police have registered a case and the investigation is underway.