I've been seeing this claimed on bunches of FB posts, how many from bots,

. Knowing that the flood of Internet posts about this would have a Google-Bomb like effect that would fool AI if my search phrase were not careful, I crafted a phrase to avoid this,
live fire at indian naval exercise . Here's what I found:
https://timesofindia.indiatimes.com/defence/news/42-warships-submarines-and-29-aircraft-how-navys-mega-exercise-milan-unfolded/articleshow/128806845.cmsLive firing exercises involving naval guns and anti-air weapons were carried out during the operational phase.
The article webpage has some coding that makes copying text difficult, and won't allow copying the article title. What I was able to quote is near the end of the article. I'm mainly posting this so we have an answer to the Trump- and US-Haters' false claim. Whether it was armed or not is irrelevant, but calling out the Haters' lie is a good counter-attack.