by Adithya M Nair

The world is undergoing its most profound transformation since the Cold War. Countries are forging new alliances, signing fresh defence pacts, exchanging advanced military equipment, and intensifying competition, all while being under the nuclear shadow.

Nowhere is this shift clearer than among nuclear powers, where longstanding rivalries are increasingly managed through formal alliances and extended deterrence.

Yet, India presents a striking exception. Despite possessing nuclear weapons and having one of the strongest militaries in the world, India remains uncommitted to any formal mutual defence alliance and is committed to its policy of strategic autonomy, a rare phenomenon in today’s changing landscape.

Among today’s nuclear armed middle-powers, alignment is the norm rather than the exception. France, though fiercely independent, is embedded in NATO and is obligated to provide military support to allies.

Moreover, it recently extended its nuclear deterrence to other European allies, to protect their “vital interests”. The United Kingdom, another middle power, is similarly a NATO member and is legally obligated to protect its allies and is locked into US led security architectures.

In East Asia, Japan and South Korea, who are both middle powers, operate under a nuclear deterrence umbrella offered by the United States.

Even Israel, a de-facto nuclear state, operates in close strategic partnership with the United States, while Pakistan has recently deepened security ties with Turkey and Saudi Arabia, under the Mecca Pact, where it has agreed to extend its nuclear umbrella. (While no direct statement on nuclear deterrence is in the agreement, it can be noted that an attack on Saudi Arabia or Turkey, implicitly invokes the weight of Pakistan's entire military posture, creating a psychological nuclear deterrent even without a formal legal promise).

While North Korea is not a conventional middle-power, it has a strong military and currently has a military partnership with Russia while maintaining close relationship with China.

India, by contrast, combines strategic partnership while refusing NATO-style alliances, as it believes that such an alliance will drag the country into unnecessary conflicts and reduces the flexibility in decision making.

While India continues to be a part of partnerships like the QUAD and has signed the RELOS agreement with Russia, which allows it to station over 3000 troops in Russia and vice versa, it refuses to take a side in global conflicts. In practice, this means that India’s nuclear weapons remain an instrument of last resort, detached from extended deterrence arrangements and formal collective-defence structures.

This places India in a fundamentally different position than the other nuclear armed middle-powers, as its nuclear arsenal is used to deter threats to itself and is not committed to protecting any other nation through an extended nuclear deterrent.

This becomes increasingly important as nuclear weapons become embedded in broader security architectures, implicitly or explicitly. Nuclear weapons therefore provide India with strategic independence, but they also impose upon New Delhi the full responsibility of maintaining that independence, through Atmanirbharta (Self-Reliance).

The absence of such a network of alliances may provide India with unusual strategic advantages. This allows India to maintain relationships with competing nuclear powers without directly getting entangled in their completion.

As India continues to become a new “pole” in an increasingly multipolar world, this flexibility could allow it to become a strategic partner that competing powers have an incentive to cultivate rather than an ally whose support can be taken for granted.

India, by remaining outside formal military blocs, can potentially engage with multiple centres of power simultaneously and extract benefits from their competition. Its partnerships with the United States, Russia, Europe and other powers need not be mutually exclusive as long as New Delhi retains the ability to define its own red lines.

A stronger India won’t just be another player reacting to great-power rivalry, rather it will increasingly be one of the powers others have to factor into their own strategies. That makes India an attractive partner for the major powers, each of which will be tempted to pull it closer into their security architectures.

India could potentially benefit from this competition without formally joining either side. Its strategic value would lie precisely in its ability to cooperate with competing powers while retaining the freedom to withdraw, refuse or redirect that cooperation when its national interests require it.

The biggest challenge for India will be to preserve this autonomy without risking isolation. The pressure to pick a side will only grow as competition between states grows.

India’s ability to sustain its policy of strategic autonomy depends on whether its value as an independent pole outweighs the risk of operating without a formal security guarantor in a crisis.

This is sustainable only if India maintains enough relative economic and military weight to ensure that major powers are forced to respect its red lines.

Adithya M Nair is a seasoned analyst and commentator on foreign policy and defence affairs, with a reputation for incisive insights into the shifting dynamics of global security