Question

Braille is a coded language based on a logical system. There are Braille codes for common languages as well as, mathematical and scientific notations. Many languages (foreign/Indian) can be read using the braille system.

Braille system has 63 dot patterns or characters. The braille characters make up the letters of alphabet, punctuation marks, etc. Dots/Characters are arranged in cells of two vertical rows of three dots each. Patterns of dots, used to represent letters of the English alphabet. These patterns, when embossed on Braille sheets, help visually challenged person to recognise words by touching.