PUDUCHERRY: Police have arrested a senior citizen couple in Puducherry on charges of murdering their son following a quarrel over inheritance of the family business.K Ranjith Kumar, 40 died of injuries after the couple, P R Kumar, 70 and K Annakodi, 61, attacked him with an iron rod in the early hours of Tuesday. P R Kumar walked into a Ariyankuppam police station in the morning and narrated the crime.Superintendent of police (south) Chintha Kothandaraman said Ranjith Kumar, an engineering graduate, did his higher education in the UK. He worked in a private firm for a few years in London. He returned to India cutting short his professional assignment and married a French national from Kurchikuppam.The couple settled in France after he acquired French nationality by virtue of his marriage. He could not get a suitable job in France.Ranjith visited Puducherry in January and told his parents that he was settling down there permanently. He demanded that his parents hand over to him the family business of exporting seafood.“His parents refused, leading to frequent quarrels between him and his parents,” the police officer said.In the early hours of Tuesday, Ranjith reached home drunk and picked up a quarrel with his parents over the inheritance. When they refused, he attacked his mother.His father hit him with an iron rod.Ranjith sustained severe head injuries and fainted. Police said the couple probably feared he would attack them when he regained consciousness. They sprayed insecticides on his mouth and nostrils and tied his limbs with a sari. They hit him repeatedly with the rod, killing him. Kumar went to the police station in the morning.Read this story in Bengali