If it ain't broke, don't fix it. No major changes to military command structure is needed. I do think the National Security Council needs changes. Economic development should be included in its mandate, as its our major security concern. I have mentioned in other posts.... I think key economic decisions should be removed from the hands of the political establishment. Just like key military decisions are made generals that are experts in that field and don't change when PM's change, so too should key decisions in agriculture, water, energy, industry/mining, trade, and finance be made by a council of vetted experts on fixed terms, irrespective of who is prime minister. It would be a more stable, politically insulated Economic Coordination Committee that would be part National Security Council with the armed forces.
Depending on economic conditions, I think conscription should be on the table. It doesn't have to be a full conscription. It could be a lottery for up to 1 Million young men. Only the best would be considered for combat. The rest can be sent to the army engineering corp to work on enhancing our energy/water infrastructure.
The most powerful military's in history were conscript forces. We don't have to jump to nukes right a away. With additional light infantry we can consider a conventional assault to liberate Kashmir as well as secure our borders in the south. With the added security we can launch crushing counter strikes against economic targets in India....energy, transport, and communications infrastructure...using missiles drones or manned aircraft. Lets see the much lauded economy function without electricity, petrol, or communications....they will have a negative 25% GDP growth rate should they consider any major misadventure. If we cant stop them, only then the nukes fly.