NEW DELHI—These may be tough days for newspapers in the U.S. But in India, the old-school, ink-stained business is booming as more people from smaller cities join the middle class, boosting ...

The ink’s appeal has spilled beyond India’s borders too. The company now supplies indelible ink to more than 35 countries, including to Ghana beginning in the late 1970s.

Item 1 of 6 A worker arranges empty vials before they are filled with indelible ink that is used during elections to prevent duplication of voting, at the government-run Mysore Paints and Varnish ...

Founded in 1937, Mysore Paints And Varnish Limited is the only company authorised to produce the ink in India, which is preparing to hold general elections this year.

The ink’s appeal has spilled beyond India’s borders too. The company now supplies indelible ink to more than 35 countries, including to Ghana beginning in the late 1970s.