New Delhi-There is no proposal to discontinue 2,000 rupees notes, which were introduced post demonetisation said Minister of State for Finance P Radhakrishnan in a written reply in the Lok Sabha.He said that govt had scrapped old 500 and 1,000 rupee notes in November 2016, with an aim to check black money and push the digital economy.Regarding plastic notes,Minister said, it has been decided to conduct a field trial of plastic banknotes in denominations of ten rupees at five locations – Kochi, Mysore, Jaipur, Shimla and Bhubaneshwar.