Chu-Faat, Zo-Mal-Lok, Tendong Lo Rum Faat, Kinchum-Chu-Bomsa are folk dances of?

Answer: Option C

Let's break down why the answer is Lephas:

* Folk Dances: The question mentions "Chu-Faat, Zo-Mal-Lok, Tendong Lo Rum Faat, Kinchum-Chu-Bomsa." These are specific names of traditional dances.
* Lephas: The Lephas are one of the indigenous communities of Sikkim. These dances are a vital part of their cultural heritage and traditions.
* Nepalese & Bhutias: While Nepalese and Bhutias are also communities in Sikkim, these particular dances are specifically associated with the Lepcha culture.
* Therefore: Since the listed dances are known Lepcha folk dances, the correct answer is C) Lephas.