It is an administrative headquarter of the Kasom Sub Division (consisting 80 villages )in the southern region of Kamjong district.
The younger generations are multilingual I.e Hindi, English, Manipuri, Tangkhul, Kabui etc due to exposure to other culture.
Kasom Khullen has unique history of culture and tradition, widely known for its folk dances among the tangkhul Naga tribes as shown in the table below.
During the pre-Christian era, the people worshipped “Arih Lungzing” or “Bukati Bukatangpe”; they were believed to be the creators of heaven and earth.
The serenity and tranquility provides a good environment for education which caters the need of students from both the local and the neighbouring villages.
The young graduates have taken up new occupation such as bureaucrats, bankers, counsellors, accountants, teachers, military, theologian etc.
Throughout the ages, the village has been taking an active part in preserving the unique culture of the Tangkhul Naga tribe.
It is believed that cutting down a big tree which is an abode of a deity (pre Christian era) brings bad luck to the villagers.
After the ritual and sacrifice, the male members of the village chopped down the tree and carved artistically into a traditional drum.
The Bamboos are used to lift up and carry the Reiko on shoulder ( men ) and the ropes to pull or drag (for women and children) into the village.
The celebration begins with the village chief(headman) and his assistant(khupou) seated on top of the reiko.
It is used for celebration, sounding alarm during enemies attacks, emergency, sending messages to neighbouring villages etc.