India's Prime Minister Dr. Manmohan Singh, on Thursday, said he was delighted by the amazing popularity of Super Star Rajinikanth's films in Japan, especially Muthu, which was released as Odori Maharaja (The Dancing Maharaja). "I am delighted to hear the popularity of Odori Maharaja among young people in Tokyo. Children were delighted to see Odori Asimo-the dancing robot!' he said. Dr Manmohan Singh is currently on a visit to Japan.