What if USA denies GPS to India during war? Why ISRO, DRDO and the government need to pull up their socks as NavIC weakens

India uses GPS widely. Even critical military platforms rely on it in some capacity. In peacetime, this is not a problem. In war, it can become a vulnerability.

What if USA denies GPS to India during war? Why ISRO, DRDO and the government need to pull up their socks as NavIC weakens
India uses GPS widely. Even critical military platforms rely on it in some capacity. In peacetime, this is not a problem. In war, it can become a vulnerability.