How to make churpi Hardest cheese in the world

Chhurpi(Nepali: छरप, Tibetan: ཆརབ) ordurkhais a traditionalcheeseconsumed in theHimalayanregions ofNepal, Sikkim, Darjeeling, Kalimpong, Bhutan, andTibet. The two varieties of chhurpi are a soft variety (consumed usually as a side dish with rice)3and a hard variety (chewed like abetel nut). It is known to be native to Tibetan cultural areas, spreading to Nepal and India.