Translation layer for english to another lang or another lang to english

[gksoriginals]

Description

1. Translate english to other languages and other languages to english so that deaf person who don't know one language can communicate with others.
2. Intelligent simplification of testing and highlighting for Indic languages can be made better if we first translate it to english, do the processing and then translate back to the source language

Possible Solution

1. Add language translation layer
2. Frontend changes for choosing source language and target language