The body had been found in Kallivanipalem area under Bheemili police station limits on September 14.
The arrested have been identified as Chukka Peter Bhushan Kumar (21), a B.Tech student of private college, his mother Chukka Vijayamala (46), residents of Akkayyapalem, and his friend Rajyavardhan (21), resident of Allipuram in Visakhapatnam, police said.
The police also recovered an iron rod, mobile phones and a car from them.
According to police, Yeshu Babu used to stay in an apartment at Akkayyapalem with his wife Vijayamala and son Peter Bhushan Kumar. He used to harass Vijayamala to transfer her property (around 300 sq yards plot located at Chepala Timmapuram area in the city) in his name.
"Later, Peter and his friend shifted the body to Kallivanipalem in a car and set it ablaze. Next day, Peter and his mother went to the spot and once against burnt the body with petrol to hide the identity of the victim," they said.
The trio confessed the crime and was produced before a local court today.
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