Health ministers and other officials from 10 countries and around 500 business delegates from more than 70 countries are expected to participate in the two-day event which will be inaugurated by Prime Minister Narendra Modi through a video message on Wednesday. The event aims to showcase India's strength in the field of medical value travel and as an exporter of healthcare workforce providing value-based healthcare services and its emergence as a major hub for world-class healthcare and wellness services, health ministry officials said.