This development comes as Nepal is planning to upgrade Kathmandu's airport which is currently functioning as the sole international airport
The Asian Development Bank (ADB) has barred three top Chinese construction firms from participating in Nepal's key airport infrastructure development project, local media reported.
The anti-corruption office of Manila-based multilateral funding agency punished three state-backed companies for violating integrity rules, The Kathmandu Post reported.
The list of the banned companies includes CMC engineering Company, Northwest Civil Aviation Airport Construction Group and China Harbour Engineering Company.
Around 24 companies had purchased bid documents for Tribhuvan International Airport ultimate development project in Kathmandu worth 10 billion Nepali Rupees. However, only four Chinese companies submitted them, the report said.