Conversation so far:
What were the languages of the Naga people?
Nagas have more language diversity than any other ethnic group or states in India. Naga people speak over 89 different languages and dialects, mostly unintelligible with each other.
Do the Naga people have any language in common?
There are many similarities in between different languages spoken by Naga people. Per Grierson's classification system, Naga languages can be grouped into Western, Central and Eastern Naga groups.
Who makes up the Western Naga language groups?
The Western Naga language groups includes among others Angami, Chokri, Khezha and Rengma.
Who makes up the central Naga language groups?
The Central Naga groups includes Ao, and Lotha; while Eastern group includes Konyak, Phom, Sangtam, Khiamniungan, Yimchunger and Chang tribes.
Who makes up the eastern Naga people group?
Eastern Naga language group includes Konyak, Phom, Sangtam, Khiamniungan, Yimchunger and Chang tribes.
What was the impact of the different languages spoken by the Naga people?
Nagas have more language diversity than any other ethnic group or states in India. Naga people speak over 89 different languages and dialects, mostly unintelligible with each other.

Question: Where did they migrate to?
Self-contained rewrite: Where did the Naga people migrate to?