you are first to be develop stealth SLCM and stealth CM doesn't meant that its a invincible missile for all enemy sensors and divices
To say Babur is a stealthy platform is questionable and would require a further look at more sensitive features, but some do lead to conclusions that can be inferred. Babur has a round body similar to Tomahawk, but without Tomahawk's redesigned low-RCS nose. This design element is not present on previous iterations of Tomahawk, but was introduced into the Tomahawk Block IV which is capable of land-attack, anti-shipping and is being upgraded to better attack moving targets.
Babur - taken from the test video.
Early Tomahawk
Tomahawk Block IV - notice the reshaped nose? It's an RCS reduction feature.
Babur, like Tomahawk has a cruciform tail and straight wings. It's shaping doesn't show any stealthy considerations - round with many straight edges and planes. Now it could have RAM paint which helps, and greatly increases the cost of the missile, but that doesn't make a platform invisible, it just helps to reduce the distance at which a platform is detected for a given wavelength. Optimize wrong and you'll still be lit up light a Christmas tree.
What Babur does have is a small profile and terrain hugging/sea-skimming capability which helps mask it from sensors like IIR, Electro-Optical or Radar scanners, but that's inherent to most modern missiles.
In terms of actual stealth optimized submarine launched cruise missiles you're looking at NSM-SL which was designed from the ground up to maximize all aspect stealth. It has a low IR signature, a radar cross section reducing airframe and uses composites to further enhance this effect and does not use active seekers like active radar homing and relies strictly on passive guidance like DSMAC, dual-band IIR and home-on-ECM.
Babur is more similar to Tomahawk and SCALP Naval and likely features some signature reduction techniques like passive guidance using GPS or internal navigation which limit the effectiveness of electronic countermeasures and make the missile's approach less noticeable then using active homing, and it likely has some form of IR suppression too, but it's profile does not indicate radar cross section reduction unless using RAM.
I wouldn't call it a "stealth" platform like I would NSM, but it has elements which make it less detectable too.
Irrespective this represents a major step forward for Pakistan and forces India to invest further in missile countermeasures and early-warning sensors which are expensive and need to be deployed enmass to achieve the desirable coverage. The missile is most often cheaper then the countermeasures.
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BHarwana has made many questionable claims and assertions. I've wanted to address several but felt it would be unproductive. I'd recommend you not engage them anymore for both your and the threads sake.