Kalo Bhari (Nepali: कालो भारी): is a type of forced labor in the era of the Namgyal dynasty in Sikkim where people were propelled to carry load of British consignment to the China via Tibet.
[1] Ethnologically Kalo Bhari is a Nepali word which means black loads.
[2] It was very despotic system during Zamindari or the landlords reign in Sikkim where the citizens were subjected to all kinds of hardships.
The literary meaning of the term Kalo Bhari in Nepali is Black Load.
The commodities to save them from rain and snow were wrapped in card boards and put inside gunny bags bedaubed with tar.