Let me give you another analogy, saying an advanced sub does not need AIP is like saying lemonade does not need lemons. Am I calling it a fruit now genius?
Read my statement again, based on your low level Indian definition, it does not need AIP, but now all new 'advanced' SSK submarines need to have AIP. There is nothing to argue here. it is not just an advantage, it is a requirement, just because India does not have it, doesn't mean it is not required. You are using India as the benchmark. Why not try China next time?
The key to submarine survival is to remain submerged, notice the word 'SUB'. This is not just a 'feature', this is a requirement for advanced SSKs, so stop bragging about having the most advanced Scorpene. You DON'T!
cough cough Russia, cough cough French