Progressive engineering corporation specially provides fake [duplicate] currency note detector.
Large numbers of rs.100/500/1000 notes are in circulation in india. To caution citizens against this menace reserve bank of india has announced details of various security features of indian currency notes, by which a person can identify a fake note. Main features are as under.
Watermark, security thread, fluorescence
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The mahatma gandhi`s image in visible in watermark window. Uv light posses thru currency note paper and different colours, patterns & images on currency notes are visible under uv light.
Special silver thread is illuminated under uv light. In case of rs.100/- & rs.500/- notes, violet/blue colour emits & in case of rs.1000/- note rain- bow colour emit when seen under dl-103 fake detector.