A more tricky area is the running dispute between the Nepal Rastra Bank (central bank of Nepal) and the Reserve Bank of India, over the opening a window for the citizens of the Himalayan state to exchange their stock of Rs 500 and Rs 1,000 notes, rendered useless after India demonetised them in November 2016. In a sign of thaw, the Nepal Rastra Bank acknowledged last week that it has written to the RBI to allow the use of new Indian currency notes higher than Rs 100 within Nepal. Kathmandu had issued a notification in December 2018 making the use of Indian currency notes of face value of Rs 200, Rs 500 and Rs 2,000 illegal in the country. Since it was issued without any further clarification, the impression gained ground that this was done in pique.