A 36-year-old IT professional in Kerala allegedly shot dead his father, cut his body into pieces and dumped them at various locations.
Police said ,employed with a company in IT hub Technopark, was arrested after he confessed that he had killed his father 68-year-old Joy V John last week.
Mr John lived in US for the last three decades and visited his ancestral home near Chengannur when he was murdered, police said, adding a property dispute led to the crime.
Based on Sherin's statement, police carried out a search in various places and recovered a portion of a limb, head and some other body parts, believed to be that of Joy.
"The recovered body parts will be sent for DNA testing and other scientific analysis. As per our preliminary investigation, property dispute between the father and son had led to the murder," Alappuzha District police chief B Asok Kumar told Press Trust of India.
Mr John had gone missing since last Wednesday after he had gone out with Sherin to repair an air-conditioner.
As her husband and son did not return, Mr John's wife Mariamma lodged a missing complaint with the police.
During interrogation, Sherin confessed to committing the crime, police said, adding he had been booked for offences including murder and destruction of evidences.