<Ul> <Li> A windowed security thread that reads ' भारत ' ( Bharat in the Devanagari script ) and ' RBI ' alternately . </Li> <Li> Latent image of the value of the banknote on the vertical band next to the right hand side of Mahatma Gandhi 's portrait . </Li> <Li> Watermark of Gandhi that is a mirror image of the main portrait . </Li> <Li> The number panel of the banknote is printed in embedded fluorescent fibers and optically variable ink . </Li> <Li> Since 2005 additional security features like machine - readable security thread , electrotype watermark , and year of print appears on the bank note . </Li> </Ul>
indian 50 rupee note security features latent image
the value of the banknote on the vertical band next to the right hand side of Mahatma Gandhi 's portrait