Lupau Ratna Tuladhar

They conducted trade between Nepal, India and Tibet, transporting goods over the Himalayan passes by mule train.

Lupau Ratna received informal education from private tutors in Kathmandu and attended high school in Kolkata.

He traveled over the traditional route to Tibet in the north of Kathmandu, crossing the Himalaya at Nyalam (Kuti).

After his marriage, he moved to India and handled the Indian end of the family's Tibet business, dividing his time between Kalimpong and Kolkata in West Bengal.

[5] In 1959, Tuladhar wound up the business in Kalimpong and returned to Kathmandu to start Nepal Transport Service.