After demonetizing Rs 2000 notes to curb corruption, the Reserve Bank of India (RBI ... Genuine currency notes have a floral design in the vertical band next to the watermark.

Every time one reads about the fake currency racket ... you know that RBI has embedded nine security features on all the Indian banknotes to demark ‘real’ notes from the ‘fake’ ones?

Watermarks were first used in the late thirteenth century in the handmade papers of Italy. They have long been used to mark important documents, and have appeared on a variety of foreign currency.