Nepal Rastra Bank is the central bank of Nepal, and Nepal belongs to the IMF and the IBRD
Background
Nepal Rastra Bank (NRB), the Central Bank of Nepal, was established in 1956 under the Nepal Rastra Bank Act, 1955. Its functions and objectives were recast by the Nepal Rastra Bank Act, 2058 (2002). Under that Act the bank formulates monetary and foreign exchange policies to maintain the stability of price and balance of payment. It is also charged with maintaining the stability of the banking and financial sectors and with developing a secure, healthy and efficient system of payment. Nepal joined the IMF and IBRD in 1961. The first World Bank technical assistance grant to Nepal was in 1964, a transport survey, and the first credit was in 1969 for telecommunications. The International Finance Corporation has been supporting private sector development in Nepal since 1966.
In plain words
NRB Nepal Rastra Bank — The central bank of Nepal, which issues the currency and sets monetary policy.
IBRD International Bank for Reconstruction and Development — The original lending arm of the World Bank Group.
Balance of payment — The record of a country's transactions with the rest of the world over a period.