The top prize, the $75,000 Gordon E. Moore Award, went to Raymond Wang, 17, of Canada.
A 13-year-old Indian-origin boy, who made headlines for inventing a low-cost Braille printer, has found a new partner in Microsoft which is helping the teenager to realise his dream of improving life for the blind.
Modi, who wound up his three-day visit to China by attending many functions in Shanghai, devoted the morning to business events.
The Congress on Saturday accused Prime Minister Naremdra Modi for again targeting opposition parties on foreign soil, terming it disgraceful and distasteful.
A coalition of more than 60 Asian-American groups, including four Indian groups, have sought an investigation into what they allege are "discriminatory practices" in Harvard University's admission process.
Modi arrived here from Shanghai in the second leg of his three-nation visit. He concluded a three-day visit to China on Saturday that also took him to Beijing and Xi'an.