* Of these, 780 have been documented in 50 volumes.
* It took G.N Devy about 13 years for the project.
* Around 3,000 volunteers contributed by working closely with the people of different communities.
* Coastal communities and nomadic communities have suffered major linguistic losses.
* Konyak is the least-spoken language in Assam, while it is widely spoken in Nagaland.
* West Bengal has the highest number of scripts among all the states. Around 38 languages are spoken in the state.
* Twelve variants of Marathi and 38 other languages are spoken by people including adivasis, tribals, nomadic tribes and denotified communities in Maharashtra.
