A court in Dubai has sentenced an Indian man to 15 years' imprisonment for stabbing a compatriot to death.The Dubai Court of First Instance charged the 30-year-old Indian electrician with the premeditated murder of the man at a labour camp here.The accused was cutting onions in the kitchen when he picked up an argument with the victim.The electrician then stabbed the victim in his heart.A watchman at the site notified police, and a paramedic team tried to save the life of the victim, Gulf News reported quoting court records.