It originates near the Jelep La pass in East Sikkim district .
Rangpo chu is a tributary of the River Rangpo , a tributary of the Teesta River in the Indian state of Sikkim .
Rangpo chu originates near the Jelep La pass in Sikkim   district .
Rangpo chu is a tributary of the River Rangpo , a tributary of the Teesta River in the Indian state of Sikkim .