Complex sentence: Some of the Rongmeis reside in Imphal valley, the capital city of Manipur in Nagaland they are settled in Kohima, Dimapur and Jalukie.
Split into simpler sentences: Some of the Rongmeis reside in Imphal valley, the capital city of Manipur. In Nagaland they are settled in Kohima, Dimapur and Jalukie.