The Narcotics Control Bureau of Nepal Police apprehended seven foreign foreigners in possession of 51 kg heroin.
Organizing a press conference in Kathmandu on Thursday, the bureau said that seven South African women were nabbed from the airport and Thamel areas.
It has been revealed that they came to Kathmandu from Fly Dubai and Qatar Airways on different dates.
Police said they recovered 49 kg white heroin and two kg brown heroin from their possession.
SP Jeevan Kumar Shrestha, Chief of the Narcotics Control Bureau, said that the market value of the confiscated drugs is Rs 1.22 billion.
Police said that they are further investigating the case.