The source summarizes **four news items** concerning business and technology developments in Japan and India. These include the **opening of an AI-powered elder care facility** in Kumamoto addressing staffing shortages, **Accenture's shift to requiring five days of in-office work** potentially influencing other tech companies, **NTT's acquisition of NTT Data Group** aimed at global expansion and becoming a major competitor in the IT service sector, and **Sumitomo Realty & Development's substantial investment in office building construction in Mumbai**, India, to capitalize on that region's economic growth.