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Continue to ChatWorld’s first Braille Phone by an Indian- Sumit Dagar https://www.itvoice.in/worlds-first-braille-phone-by-an-indian-sumit-dagar
World’s first Braille Phone by an Indian- Sumit Dagar https://www.itvoice.in/worlds-first-braille-phone-by-an-indian-sumit-dagar