It is an irreplaceable loss for dance master turned film maker Prabhu Deva. The person known for his sincerity and hard work, has lost his elder son Vishal on Thursday morning. Prabhu Deva had earned fame as a choreographer and a hero in several films including blockbusters Kadhalan, Rasaiyya and Indu in the nineties. After a short break in his career, he took upon the new challenge as a director and tasted success in films like Nuvvastanantae Nenodantana, Pokiri and Shankar Dada Zindabad. He is currently directing the film Villu starring Vijay and Nayantara and the Hindi version of Pokiri with Salman Khan.Married to Latha, Prabhu Deva has three sons - Vishal, Rishi Raghavendra Deva and Adith Deva. Vishal has been suffering from prolonged illness and undergoing treatment for cancer in a city hospital for the past 6 months. He died on Thursday morning. Stars including Ajith, Vijay, Prakashraj, director SA Chandrasekharan, cinematographer Ravi Varman, directors Tarun Gopi, Ayngaran Arun Pandian and others thronged to Prabhu Devas house. Vishals funeral will be held at Besant Nagar crematorium today.