To overcome technical hurdles, ISRO flew NVS-03 satellite with pyro valves open: Narayanan
Pyro valves are crucial in spacecraft propulsion, and it may be recalled that the NVS-02 (launched in 2025), the second spacecraft in the NVS series, was a failure
We haven't written up this one. The Hindu - Sci-Tech has the full story — the link below goes straight to it.