The fallacy of MIRVs and hyper-sonic gliders: we will have the opportunity to use them.
With 100% guarantee, India doesn't have the resources to monitor our nuclear facilities, warheads, missile launchers.
With 100% guarantee, the America+Israel+Britain+France nexus has the ability to monitor us, and ARE monitoring us.
With 100% guarantee, the America+Israel+Britain+France nexus feels the world is an unsafe place because Pakistan has nukes.
With 100% guarantee, India will strike with a solid backing of, and with intelligence from, the America+Israel+Britain+France nexus.
Now that we have changed the goal posts with MIRVs, we have changed the face of war. India would be foolish to give us the opportunity to use them. The 'Indian Cold Start' should not be viewed as a massive tank assault across our Eastern border. The Indian cold start will come in the form of a massive, acute, and completely surprise attack after months and years of careful intelligence gathering by the world's best intelligence agencies. India will simply be a front for the war. The full technological prowess of major powers will be utilized against us.
The first phase of the attack will disable our EW and radar capabilities. And with all of our AD infrastructure bought from foreign vendors, this will be literally a piece of cake. What the West sells, the West fears not.
The second phase attacks will be from B-2 Spirit Bombers, F-22 raptors, missile strikes. It will be a saturation attack to take out our nuclear facilities, our mobile launchers, and sites of warhead storage.
Once the claws are taken out, we would be left at Indian mercy.
Those who think MIRVs and hypersonic vehicles will save us, live in a fool's paradise. We need comprehensive Air Defence capabilities that we can actually rely upon.