The Indian-born head of one of Japan's most famous snack brands has warned that the country must change its mindset and admit more immigrants to get the economy back to the glory of its boom years. "Forty years ago I came to Japan because it was close to number one in GDP... it was booming," the head of rice cracker giant Kameda Seika tells AFP during an interview at the company's headquarters in Niigata. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES