The image printed with this ink is invisible under daylight, but visible under UV light

The image printed with this ink is invisible under daylight, but visible under UV light and Sunlight

The image printed with this ink changes colour on exposure to heat or cold

The image printed with this ink loses colour on exposure to water

The image printed with this ink emits fragrance as required

The image printed with this ink changes colour on scratching with coin

The ink is suitable for serial numbering purposes