A 500 Rs Note with 2018 printed on it is viral on whatsapp and has ben acknowledged by Zee too, although no bidy has confirmed, even Zee mentioned source as WhatsApp Only
Source: http://www.zeebiz.com/personal-finance/news-save-yourself-from-fake-notes-9-features-of-an-authentic-indian-currency-note-2161 https://www.facebook.com/SMHoaxSlayer/photos/a.147357335599672.1073741828.140690692933003/346834948985242/?type=3