Contrary to the article's title, it doesn't sound like the sub was actually sunk: > Water “rushed in as a hatch on the rear side was left open by mistake while

Contrary to the article's title, it doesn't sound like the sub was actually sunk: > Water “rushed in as a hatch on the rear side was left open by mistake while [the Arihant] was at harbor” in February 2017, shortly after the submarine’s launch, The Hindu reports. Since then, the sub “has been undergoing repairs and clean up,” according to the paper: “Besides other repair work, many pipes had to be cut open and replaced.”