Retaliation and Restraint: Op Sindoor, India’s War Within Limits

Date
11-06-2025

The 2025 Pahalgam terrorist attack by The Resistance Front ignited a volatile India-Pakistan military confrontation, culminating in Operation Sindoor. India’s calibrated response exposed Pakistan’s terror networks, enforced deterrence, and reshaped regional strategy without crossing nuclear thresholds. This crisis brings into discussion war theories, proxy warfare dynamics, and the crucial role of diplomacy in de-escalation.

Highlights

  • Emergence of TRF as an asymmetric terror outfit with covert Pakistani backing.
  • India's strategic air strikes targeting terror infrastructure while avoiding full-scale war.
  • Crisis tests Schelling’s brinkmanship and Waltz’s nuclear deterrence theories.
  • International mediation as a stabilizing force in nuclear escalation risks.
  • India’s response sets a precedent for counterterrorism without breaching nuclear red lines.

Abstract

The 2025 Pahalgam terrorist attack by The Resistance Front triggered a tense India-Pakistan military confrontation, including Operation Sindoor and cross-border air strikes. India’s response exposed Pakistan’s terror networks, enforced deterrence, and reasserted sovereignty while avoiding nuclear escalation. This analysis applies key International Relations and War Studies theories— by Clausewitz, Morgenthau, Waltz, Jervis, and Schelling—to examine the conflict’s strategic dynamics. The episode highlights the precarious balance between war and peace in South Asia, the risks of proxy warfare, and the role of diplomacy, particularly mediation over-claimed by the US, in crisis de-escalation amid nuclear brinkmanship and asymmetric warfare.

On 22 April 2025, the serene valley of Pahalgam was shattered by an act of terror. Twenty-six innocent civilians lost their lives in a brutal terrorist attack, claimed and then denied by a shadowy group known as The Resistance Front (TRF), an offshoot of Lashkar-e-Taiba, a Pakistan-based terror outfit.

A relatively unknown name in the long saga of Kashmir’s conflict, TRF announced its arrival with blood and violence. What followed was a tense, fiery confrontation between two nuclear-armed neighbours — What followed was a volatile military confrontation between India and Pakistan, two nuclear-armed neighbours teetering on the brink of war. Yet, amidst the flames of retaliation, the crisis exposed the harsh realities of modern warfare, deterrence, and diplomacy.  This is the story of how a brutal act of terror ignited Operation Sindoor, a decisive Indian response that rippled across borders, rattled the status quo, and redefined the limits of confrontation in South Asia. It is a narrative of strategy, retaliation, and the razor-thin line between war and peace in one of the world’s most volatile regions.

The Silent Storm: Terrorism’s New Face in Kashmir

For decades, the Kashmir Valley has been a powder keg — a place where history, identity, and politics intertwine with insurgency. The emergence of The Resistance Front (TRF) was not just another headline, but a stark reminder of the undercurrents beneath the surface. Unlike the well-known terror outfits Lashkar-e-Taiba (LeT), Jaish-e-Mohammed (JeM), and Hizbul Mujahideen, TRF operated from the shadows, evading the intense spotlight of international scrutiny. Their deadly strike in Pahalgam was calculated to send a chilling message: terrorism in Kashmir is not yet over, and new players are ready to bleed the valley. This attack was not a random act of violence — it was a strategic gambit.

Terrorism, in its cruelest form, functions as asymmetrical warfare. It is the weapon of the weak, designed to provoke overreaction, destabilize governance, and fracture public will. Here, the realist paradigm of Hans Morgenthau finds resonance: states and non-state actors alike seek power and survival, but asymmetrical actors often resort to unconventional means to offset conventional weaknesses.

Carl von Clausewitz’s famous dictum that war is the continuation of politics by other means also applies to terrorism in this context. Terrorist attacks seek to influence political outcomes through violent disruption, forcing states to make difficult choices. TRF’s attack was meant to shake India’s resolve to eliminate terror. But beneath the immediate horror lay a harsher truth. Multiple reports, intelligence inputs, and investigations revealed that this faction was nurtured and sustained with tacit support from elements within Pakistan’s shadowy military and intelligence services. This was not merely an isolated terror attack; it was a calculated move in a larger game of cross-border proxy warfare, where Pakistan’s denial was met with India’s resolve. The Pahalgam attack reflects the continuing relevance of Kenneth Waltz’s structural realism— where the anarchic system compels states to prioritize survival through power maximization. Pakistan’s uses proxy militancy strategically to balance India’s conventional superiority, without meaning to trigger direct conflict. This exemplifies Waltz’s theory that states, in the absence of any higher authority, behave rationally to secure their interests, sometimes through indirect means.

In the aftermath of the heinous terror attack, Indian leadership was faced with a critical choice: how to respond decisively without igniting a full-scale war.

Operation Sindoor: The Thunderbolt Response

The answer came swiftly — and with thunder. Operation Sindoor was born from a singular strategic vision: strike hard, strike deep, and dismantle the terror apparatus without inviting catastrophic escalation. Indian military planners unleashed a precision air strike campaign targeting terror camps and logistical bases in Pakistan and Pakistan-occupied Kashmir. The operation’s scale was unprecedented in recent years, marked by rapid strikes against sanctuaries linked to LeT, JeM, and Hizbul Mujahideen. Indian forces reportedly neutralized over a hundred terrorists, inflicting a blow designed to degrade terrorist capabilities significantly.

This was a marked departure from past responses. In line with Clausewitz’s timeless dictum that war is merely politics by other means, Operation Sindoor was a calibrated use of military power  to drive home a clear message that India has a zero-tolerance policy on terror. It was meant to punish, to deter, and to expose Pakistan’s ongoing role in fostering terror. At the same time, the operation was carefully crafted to avoid crossing nuclear thresholds, reflecting the strategic calculus described by Thomas Schelling in his theory of deterrence and bargaining. Schelling’s concept of brinkmanship—the art of pushing a dangerous situation to the brink of disaster to achieve favourable outcomes—was evident as India sought to demonstrate its resolve without provoking an all-out war. Moreover, the Indian military was granted carte blanche to strike across the border, a rare strategic autonomy to respond, given the severity of the threat. This indicated the confidence the leadership had in the military’s professionalism and understanding of the importance of calibrated escalation control. The operation also reflected the lessons drawn of Robert Jervis on perception and misperception in international conflicts: India sought to avoid giving Pakistan false signals of either vulnerability or aggression that might have triggered unintended escalation.

Despite this, Pakistan was quick to retaliate. Pakistani forces launched their own air strikes, targeting military installations in Kashmir, Punjab, and Rajasthan. The conflict’s geographic and tactical scope widened alarmingly. Reports emerged of Pakistan claiming over 40 civilian casualties due to Indian strikes, and, in a show of resolve, downing five Indian air jets. The tit-for-tat nature of the strikes embodied the security dilemma—where defensive moves by one side appear threatening to the other, triggering reciprocal actions. This phenomenon, extensively discussed by Jervis, explained the spiraling violence threatening to push the region to the edge. Both sides perceived existential threats, prompting actions that only increased insecurity on both sides.

The Nuclear Shadow and De-escalation

What makes any India-Pakistan confrontation infinitely more dangerous is the nuclear dimension brought in by Pakistan, which does not have a no-first-use policy. Both countries have developed significant arsenals capable of inflicting catastrophic destruction on each other. The Pahalgam faceoff proved that nuclear weapons do not guarantee absolute peace and asymmetric engagement was possible under the nuclear overhang. Whatever happened in the aftermath of the terror attack was also a test for the nuclear deterrence theory, grounded in the idea that Mutually Assured Destruction (MAD), or threat of annihilation prevents rational actors from escalating any conflict beyond a certain point. This faceoff tested that theory. While the air strikes and counterstrikes involved significant military force, the nuclear signaling was largely missing. This restraint factor was there; it reflected a hard-earned understanding that full-scale war would be ruinous for both.

Still, the threat of escalation loomed large. Military actions took place perilously close to civilian populations, and the Pakistani claims of downing of Indian jets raised fears of unintended consequences. The stakes demanded skilled crisis management.

At this critical juncture, international diplomacy played its role. Then US administration stepped in, seeking to defuse tensions between the two sides. The US efforts underscored the importance of external intervention in a conflict involving two nuclear states, aligning with diplomatic theories that highlight the role of international institutions and actors in a situation where there is a possibility of conflict escalation to nuclear levels. On the ground, Indian superior drone, air defence and precision-strike capability had taken Pakistan by storm. The Pakistani move to counter Operation Sindoor with what it called ‘Operation Bunyan-un-Marsoos’ could not take off in the face of relentless attack from the Indian side. As it appears in hindsight, the mediation could halt the cycle of strikes, lending Pakistan the ‘ramp’ to get out of the crisis, preserving a fragile peace.

This episode not only challenges Kenneth Waltz’s optimistic view of nuclear peace but also reinforces Alexander George and Richard Smoke’s insights into crisis management—demonstrating that even in nuclear confrontations, diplomacy and strategic signaling can prevent catastrophe.

India’s Strategic Victory: Beyond the Battlefield

When the dust settled, what had India truly achieved? Operation Sindoor went beyond mere military action; it was a strategic masterstroke that exposed Pakistan’s terrorist networks on the international stage. The operation shattered Pakistan’s denials, forcing the world to reckon with its complicity in cross-border terrorism.

From the perspective of war theory, India’s response was a textbook example of ‘compellence’: using limited force to coerce a change in adversary behaviour. It was neither reckless escalation nor passive defence but a calibrated demonstration of strength designed to reset the strategic calculus.

India succeeded in its primary objective — deterring future terror attacks by making the costs of support to militancy tangible and immediate. Its forces showcased operational agility, leveraging air power and intelligence to strike deep into enemy territory without triggering a wider war. Pakistan’s retaliatory strikes, while demonstrating resilience, failed to negate the operational and diplomatic costs inflicted by India. Internationally, Pakistan faced increased scrutiny and diplomatic pressure. In the grand chessboard of South Asian security, India’s response reaffirmed its resolve and sovereignty, projecting power while avoiding catastrophic escalation. This aligns with Morgenthau’s principles of political realism, which emphasize the pursuit of national interest and the centrality of power politics in international affairs. India’s operation was a pragmatic use of force to protect sovereignty, deter aggression, and uphold international norms against terrorism.

Conclusion

The 2025 India-Pakistan confrontation was more than a military exchange—it was a stark lesson in the evolving dynamics of conflict between nuclear-armed adversaries with entrenched mistrust. The crisis reaffirmed the enduring relevance of classical war theories: Clausewitz’s fusion of politics and violence, Jervis’s security dilemma, and Schelling and Waltz’s frameworks of deterrence.

India’s calibrated yet forceful response to the Pahalgam terror attack exposed Pakistan’s terror networks and imposed significant costs—without breaching the nuclear threshold. The operation reshaped strategic equations, signaling that terrorism would be met with swift and resolute retaliation.

As the smoke cleared over Kashmir, the world was reminded that even in an era defined by nuclear deterrence and global diplomacy, conventional military power, strategic signaling, and crisis management remain indispensable to national security. The Pahalgam episode will be studied for years—a defining moment of terror, retribution, and the precarious balance between war and peace on one of the world’s most volatile fault lines.