evidence: The new ₹500 notes in the Mahatma Gandhi (New) Series are different from the present series in colour, size, theme, location of security features and design elements. The size of the new note is 66mm x 150mm. The colour of the notes is stone grey and the predominant new theme is Indian heritage site - Red Fort. [...] Windowed security thread changes colour from green to blue when note is tilted 7 [...] Mahatma Gandhi's portrait and electrotype (500) watermarks 9