The Nepal Rastra Bank (NRB) has launched the service for exchanging clean notes for the public today, targeting the Dashain festival.According to NRB assistant spokesperson Dr Dilliram Pokhrel, the service shall be available until October 8 at the central bank’s central and province offices and at the branches of all banks and financial institutions.Pokhrel said individuals are allowed to exchange up to Rs 18,500 of five, ten, twenty, fifty, and 100 rupees denominations per head from any bank or financial institution accessible to them.Until last year, the Bank would circulate completely fresh notes for the Dashain purpose, but the provision has been changed this time. This time, used but clean or unstained notes are to be provided.