We wouldn’t know for sure if it was jammed or not. But following the simple reasoning, if IAF could jam it, that Rafale wouldn’t have gone down like it did. Given how Spectra failed, I doubt any other EW suite in IAF inventory could Jam it.
Agree the PL-15 might've not have been jammed but we've seen multiple mostly/fully intact PL-15s recovered suggesting either they malfunctioned, fired at dmax or jammed. IAF does have a layered EW setup including ground based and AWACS that could've played a role since intact seekers suggest they might've been jammed mid-flight, not necessarily fuel exhaustion
And while the Rafale’s Spectra suite may not be foolproof (no EW system is), it’s a stretch to claim that a single loss (which also lacks credible confirmation as being a Rafale and I do admit IAF lost 2 jets) invalidates the capability of the platform or IAF’s overall EW doctrine. Even if a Rafale were downed (hypothetically) that doesn’t preclude rapid tactical adaptations by IAF
Strategically speaking, India’s layered air defense, jamming architecture, integrated command across defense assets, AWACS, and SAM networks held up under live combat conditions. The fact that not a single pakistani missile was able to penetrate our AD/jammers while we could effectively target their airbases and strategic assets shows the clear winner in this conflict from a defense platform standpoint is India's AD and missiles like Brahmos