Terrorism: The Core Issue in Indo-Pak Relations

The relationship between India and Pakistan is shaped by many disputes, but one issue stands above the rest in determining whether the two neighbours can ever talk. That issue is terrorism. For decades, India has maintained that terrorism emanating from territories under Pakistan’s control remains the core concern in bilateral relations. This is not just a diplomatic talking point. It is the lens through which every conversation, ceasefire, and crisis between the two countries is now viewed. Understanding why terrorism became the “core issue” helps explain why peace between India and Pakistan has remained so difficult, even when leaders on both sides have wanted it.

What “cross-border terrorism” actually means
Why terrorism is treated as a precondition
The attacks that defined the conflict
The 2001 Parliament attack
The 2008 Mumbai attacks
Uri, Pulwama, and the shift in response
Why attacks repeatedly stall peace efforts
The credibility problem
India’s strategy of diplomatic isolation
The FATF and financial pressure
The limits of isolation
Why this issue is unlikely to fade

What “cross-border terrorism” actually means

Cross-border terrorism refers to violent attacks carried out inside India by armed groups that are organised, trained, funded, or sheltered across the border in Pakistan. The official Indian position is clear and consistent. India seeks normal relations with Pakistan, but only in an environment free of terror, hostility, and violence, and it expects Pakistan to take credible, irreversible, and verifiable action against terror infrastructure on its soil.

The groups most often named in this context are Lashkar-e-Taiba (LeT) and Jaish-e-Mohammed (JeM). These outfits have been linked to a string of major attacks over the past two decades. India accuses Pakistan of supporting such groups, while Pakistan consistently denies state involvement. This pattern of accusation and denial is at the heart of the deadlock.

What makes terrorism the “core” issue rather than just one issue among many is its ability to override everything else. Disputes over Kashmir, water sharing under the Indus Waters Treaty, the Siachen Glacier, and Sir Creek are all serious. But a single major terrorist attack can freeze trade, halt dialogue, and bring two nuclear-armed states close to war within hours.

Why terrorism is treated as a precondition

For India, ending cross-border terrorism is not just one demand on a long list. It has become a precondition for almost any meaningful engagement. When Pakistan has offered talks on Kashmir, India has responded that dialogue can only happen once Pakistan stops supporting terrorism. In one such instance, New Delhi said it would welcome talks only on the stoppage of Pakistani support for cross-border terrorism and related issues, rather than on Kashmir alone. This sequencing, terror first and everything else later, is a defining feature of the relationship.

The attacks that defined the conflict

To understand why terrorism dominates the relationship, it helps to look at the specific attacks that reshaped it. Each one acted as a turning point, pulling the two countries away from peace and towards confrontation.

The 2001 Parliament attack

In December 2001, just three months after the September 11 attacks in the United States, gunmen attacked the Indian Parliament in New Delhi. India attributed the strike to Pakistan-based militants. The consequences were immediate and enormous. The attack precipitated a major crisis that brought roughly a million troops to the border in early 2002, in a tense military standoff that lasted months and raised fears of open war between two nuclear powers.

This episode set a template. A terrorist attack would trigger a massive military and diplomatic crisis, the international community would intervene to calm tensions, and the underlying problem would remain unresolved. The standoff eventually eased, partly due to diplomatic efforts by the United States and others.

The 2008 Mumbai attacks

The most devastating attack came in November 2008, when a small group of heavily armed militants struck multiple targets across Mumbai, including the iconic Taj and Oberoi hotels and the main railway station. The siege lasted nearly three days and killed around 166 people. A gunman captured alive admitted he had been trained in a camp in Pakistan by Lashkar-e-Taiba.

The timing was particularly damaging because it came in the middle of a genuine thaw. A promising bilateral peace process had been building for years, but it broke down in the wake of the Mumbai attacks, which brought the two countries close to war once again. Even back-channel negotiations between the two governments from 2004 to 2007, which were said to have laid the foundations of a comprehensive peace, effectively ended with the 2008 Mumbai terror attacks.

Notably, India’s response to Mumbai showed restraint. Unlike after the 2001 Parliament attack, India refrained from massing troops at the border and instead focused on building international support through diplomacy and the media. This shift towards diplomacy over immediate military mobilisation would become an important part of India’s longer-term strategy.

Uri, Pulwama, and the shift in response

The pattern continued in later years, but India’s military response gradually became more direct. After an attack on an army camp in Uri in Jammu and Kashmir, the Indian Army conducted surgical strikes on terrorist launch pads across the Line of Control. By conducting targeted strikes inside Pakistani-administered Kashmir, India signalled a clear break from its long-held policy of strategic restraint.

The 2019 Pulwama attack, in which 40 security personnel were killed in a suicide bombing claimed by JeM, led to an Indian airstrike on a training camp in Balakot inside Pakistan. The two governments also slid into a deeper economic freeze. After Pulwama, India raised customs duty on Pakistani goods to 200 percent, and Pakistan later suspended bilateral trade with India in August 2019. Bilateral trade, already small, has remained largely frozen since.

Why attacks repeatedly stall peace efforts

A striking feature of the India-Pakistan story is how often peace overtures have been derailed by violence at the worst possible moment. Time and again, an opening for dialogue has been followed by an attack that destroys the goodwill.

The clearest example came in 1999. While the prime ministers of the two countries were meeting in Lahore to forge peaceful ties, the Pakistani army was carrying out a covert assault on Kargil in Kashmir. This sequence, leaders talking peace while militants or military elements escalate on the ground, has repeated itself in different forms ever since.

Part of the explanation lies in the structure of power inside Pakistan. Analysts have long noted that the Pakistan army continues to operate as a state within a state, rarely ceding control of defence and foreign policy to civilian governments. This means that even when an elected Pakistani leader genuinely seeks peace, the military and intelligence establishment may pursue a different course. After the Mumbai attacks, even Pakistan’s own president acknowledged that the violence had undermined efforts for peace and damaged the democratic government’s overtures towards India.

The credibility problem

A second reason attacks stall peace is the lack of follow-through on prosecutions. India argues that Pakistan has shared none of the accountability needed to rebuild trust. Despite India handing over extensive evidence, progress in the trial of the Mumbai attack perpetrators in Pakistan has been minimal. The continued freedom of figures India considers terrorists, and the slow pace of trials, reinforce the Indian view that Pakistani commitments are temporary. Indeed, observers have noted that Pakistan’s actions against terrorists during past crises proved temporary and were reversed after tensions subsided.

India’s strategy of diplomatic isolation

Faced with the limits of both war and dialogue, India has increasingly turned to a third path: isolating Pakistan internationally on the issue of terrorism. Because Pakistan has nuclear weapons, an all-out military response carries enormous risk. Because Pakistan has not delivered on counter-terrorism, dialogue has stalled. Diplomatic and economic pressure offers a way to impose costs without triggering a wider war.

This strategy works on several fronts at once. India raises the issue of Pakistan-sponsored terrorism at various bilateral and multilateral forums, including the United Nations, and engages the international community on Pakistan’s role in aiding terrorism, particularly in Jammu and Kashmir. The goal is to shift global opinion so that Pakistan pays a reputational and economic price for inaction.

The FATF and financial pressure

One of the most important tools in this campaign has been the Financial Action Task Force (FATF), the global watchdog that sets standards against money laundering and terror financing. In 2018, Pakistan was placed on the FATF “grey list” for failing to curb terror financing, which subjected it to increased monitoring and made international financial aid harder to secure. The grey listing made institutions like the World Bank more cautious about funding Pakistani projects. Pakistan was removed from the list in October 2022 after completing a set of action items.

India has continued to use financial diplomacy as leverage. Following the April 2025 Pahalgam attack, which killed 26 people, mostly tourists, India launched a coordinated campaign to press for Pakistan’s return to the grey list and urged bodies like the Asian Development Bank to go slow on financial support to Pakistan, as part of a broader effort to curb terror financing and limit Pakistan’s access to global resources.

The limits of isolation

The strategy of isolation, however, has clear limits, and India does not always succeed. Pakistan has powerful friends who shield it from pressure. When India lobbied to have Pakistan re-listed on the FATF grey list in 2025, the effort was blocked, with China taking a firm stance in Pakistan’s favour, supported by Turkey and Japan. This shows that great-power rivalries and regional alliances can frustrate even a well-prepared diplomatic campaign.

It is also worth noting that the picture is contested. Pakistan presents itself as a victim of terrorism too, pointing to the tens of thousands of lives it has lost over two decades, and it rejects Indian accusations of state sponsorship. International bodies do not always assign blame as clearly as India would like. After recent crises, many governments condemned the violence and welcomed ceasefires without directly naming Pakistan as responsible. This gap between India’s framing and the wider international response is a recurring source of frustration for New Delhi.

Why this issue is unlikely to fade

Terrorism remains the core issue for structural reasons that are hard to change. Pakistan’s military-intelligence establishment has historically viewed India as a strategic threat, and analysts argue that as long as it continues to treat jihad as a lever of foreign policy, normal relations will remain out of reach. On the Indian side, the political cost of appearing soft after a major attack is enormous, which pushes governments towards firm responses rather than concessions.

The result is a cycle that has proven remarkably durable. An attack occurs, dialogue collapses, tensions spike, the international community intervenes, calm returns, and then the next attack resets the clock. Each round deepens mistrust and makes the next opening for peace harder to achieve. Until the underlying machinery of cross-border terrorism is dismantled in a way India finds credible, the issue will continue to define the relationship, regardless of which leaders are in office.

This is precisely why scholars and officials describe terrorism not as one problem among many, but as the issue that holds all the others hostage. Trade, water, and even the Kashmir dispute cannot be addressed seriously while the threat of the next attack hangs over every negotiation.

What do you think? If diplomatic isolation has clear limits and military responses carry the risk of nuclear escalation, what realistic options does India have to break the cycle of attack and stalled dialogue? And should counter-terrorism always be treated as a precondition for talks, or can dialogue itself become a tool for reducing the violence?

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Table of Contents

What “cross-border terrorism” actually means 🔗

Why terrorism is treated as a precondition 🔗

The attacks that defined the conflict 🔗

The 2001 Parliament attack 🔗

The 2008 Mumbai attacks 🔗

Uri, Pulwama, and the shift in response 🔗

Why attacks repeatedly stall peace efforts 🔗

The credibility problem 🔗

India’s strategy of diplomatic isolation 🔗

The FATF and financial pressure 🔗

The limits of isolation 🔗

Why this issue is unlikely to fade 🔗