New Delhi:Terming Indo-Japan ties a "special strategic relationship", Japan on Tuesday said it is working very hard to increase investments in India. "Japan is trying to increase its investment in India. We are working very hard to achieve this goal," said Japan's ambassador to India Kenji Hiramatsu while giving a talk here on 'Challenges and Prospects of Japan's Diplomacy in context of India-Japan Relationship'. The ambassador supported India's bid to become a member of the Nuclear Suppliers Group (NSG). India on Monday managed to get Switzerland's support for its NSG membership bid following talks between Prime Minister Narendra Modi and Swiss President Johann Schneider-Ammann in Geneva. Hiramatsu said India and Japan share a "special strategic relationship" which was also "action-oriented". Talking about areas of cooperation in which the two nations could help each other, he said defence and technology were some of the areas where Japan would like to help India. "Japan is in the process of identifying what (defence) technology could be transferred to India. This would strengthen our security cooperation," he said.