Linguistic rights
The constitution of India was first drafted on January 26, 1950. It is estimated that there are about 1500 languages in India. Article 343–345 declared that the official languages of India for communication with centre will be Hindi and English. There are 22 official languages identified by constitution. Article 345 states that "the Legislature of a state may by law adopt any one or more of the languages in use in the State or Hindi as the language or languages to be used for all or any of the official purposes of that State: Provided that, until the Legislature of the State otherwise provides by law, the English language shall continue to be used for those official purposes within the State for which it was being used immediately before the commencement of this Constitution".
OCR in Indian languages
In India, there are 22 officially recognized languages. Among these Hindi, Bengali and Punjabi are most spoken languages in India and fourth, seventh and tenth most popular languages in the world. Two or more languages can be written with same script. For example, Devanagiri is used to write Hindi, Marathi, Rajasthani, Bhojpuri and many more. While Bengali Script is used to write Sanskrit, Manipuri etc.