How a bunch of Indian tech startups hope to change the world for the visually impaired
An afternoon at the Blind People Association in the sweltering heat of Ahmedabad four years ago changed Gunjan Gupta's life – and may potentially change the life of 12 million visually impaired people in India.
Gupta, then barely 20 years old, was on a fact-finding mission for his final year engineering project on devices for people with visual disability.
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