The Maraic languages are a branch of Kuki-Chin languages.
Languages The Maraic languages are (VanBik 2009:23): Mara (Tlosai) Duatu (Lochei and Hawthai/Levaw(Nohro & Notlia) Sizo (Chapi, Ngaphe and Sabyh) Lutuv (Lytu/Kahno) Zophei (Vawngtu, Leitak) Senthang Zotung (Calthawng, Innmai, Lungngo) Hlaipao (Vahapi [Zyhno], Heima and Lialai)
Sound changes VanBik (2009) lists the following sound changes from Proto-Kuki-Chin to Proto-Maraic. Proto-Kuki-Chin *-p, *-t, *-k > Proto-Maraic *-ʔ Proto-Kuki-Chin *-ʔ > Proto-Maraic zero Proto-Kuki-Chin *-r, *-l > Proto-Maraic zero Proto-Kuki-Chin *kr- > Proto-Maraic *ts- Peterson (2017) groups Kuki-Chin in a peripheral/central manner. As a result, he groups Maraic and Central Kuki-Chin, as one Central Kuki-Chin grouping, and refers to the latter as "Core Central". He supports this grouping by the treatment of Proto-Kuki-Chin *Cl- in the families.
References
Peterson, David. 2017. "On Kuki-Chin subgrouping." In Picus Sizhi Ding and Jamin Pelkey, eds. Sociohistorical linguistics in Southeast Asia: New horizons for Tibeto-Burman studies in honor of David Bradley, 189-209. Leiden: Brill. VanBik, Kenneth. 2009. Proto-Kuki-Chin: A Reconstructed Ancestor of the Kuki-Chin Languages. STEDT Monograph 8. .