The science of indelible ink3 min read . Updated: 23 Apr 2019, 06:25 PM IST
- The purple-coloured ink is applied on the left-hand index finger of the voter in a polling booth
- Mysore Paints also exports indelible ink to more than 30 countries across the globe
NEW DELHI : As questions are raised about the efficacy of the ‘indelible ink’, more popularly known as voter’s ink, used in the general elections, the Council of Scientific and Industrial Research which developed the ink has come out in defense of its product.
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