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- About: It contains silver nitrate, a colorless compound.
- Visibility: The ink’s colorless compound becomes visible when exposed to ultraviolet light, including sunlight.
- Ink Quality: The higher the silver nitrate concentration, around 20 percent, the higher the ink’s quality.
- According to a report from the United Nations Development Programme, for up to 72 hours after application, it can remain resistant to soap, liquids, home-cleansing, detergents, etc.
- Composition: This water-based ink also contains a solvent like alcohol to allow its faster drying.
- Manufacturer: The indelible ink was first manufactured at the Election Commission of India’s (ECI) request by the government’s Council of Scientific & Industrial Research (CSIR).
- Representation of the People Act (RoPA) of 1951: It includes provisions regarding the use of indelible ink during elections.
- Section 61 of RoPA: It specifically addresses the use of indelible ink during the electoral process.
- Purpose: To mark the fingers of electors who apply for a ballot paper before voting at a polling station.
Why in News:
- With the first phase of voting for the 2024 Lok Sabha elections beginning on April 19, the usage of indelible ink has come into focus.
