According to API Keshavrao Naik of the Jawhar police station, the victim, identified as Pandu Shivram Bartade was killed on Sunday when he was working on his farm alongwith his wife Sundari.
Accused Laxman Indrya Chowdhari attacked Shivram with bamboo and other sharp objects killing him on the spot near the farm well, police said.
Chowdhari suspected that Shivram had killed his grandmother Jamni Rama Chowdhari 31 years ago and wanted to avenge the murder, Sundari's police complaint said.