India–Pakistan Tensions Risk Nuclear Conflict

India–Pakistan Tensions Risk Nuclear Conflict

Why in News? 

Recently, the 2026 U.S. Intelligence Annual Threat Assessment highlighted that India-Pakistan relations remain at risk for nuclear conflict due to past incidents and possible terrorist triggers could escalate quickly despite both countries avoiding full-scale war.

Causes of India-Pakistan Conflict

India–Pakistan relations since 1947 have been marked by hostility, intermittent dialogue, and limited cooperation. Despite sharing cultural and historical ties, both countries have fought four wars (1947–48, 1965, 1971, 1999) and experienced repeated crises. Main reasons of India-Pakistan Conflict, include:

• Kashmir Dispute as Core Issue: The Jammu and Kashmir conflict remains the primary cause of tensions. Divided along the Line of Control (LoC) since 1949, both countries claim the region in full. Frequent ceasefire violations (thousands annually before 2021 ceasefire renewal) highlight its volatility. 
• Cross-Border Terrorism: India accuses Pakistan of supporting militant groups such as Lashkar-e-Taiba and Jaish-e-Mohammed. Major attacks like Mumbai 2008 (166 deaths) and Pulwama 2019 (40 personnel killed) have severely damaged relations. Pakistan denies direct involvement but acknowledges challenges of non-state actors.
• Nuclear Rivalry: Both countries became declared nuclear powers in 1998, with an estimated 160–170 nuclear warheads each (2025 estimates). India follows a No First Use policy, while Pakistan maintains First Use ambiguity, increasing risks of escalation under crises.
• Territorial and Water Disputes: Apart from Kashmir, disputes include Sir Creek and Siachen Glacier. The Indus Waters Treaty (1960), brokered by the World Bank, remains a rare example of cooperation, surviving wars despite periodic tensions over water sharing.
• Political and Ideological Differences: India’s secular democratic framework contrasts with Pakistan’s Islamic republic identity, reinforcing mutual suspicion. Domestic politics, nationalism, and military influence—especially in Pakistan—often shape bilateral policies.

Historical Context of India–Pakistan Conflict

• • Partition and Birth (1947): The Partition of British India (August 1947) created India and Pakistan, triggering one of the largest human displacements in history. 
    • Around 14–15 million people migrated, while 1–2 million deaths occurred due to communal violence. 
    • The division was based on the Two-Nation Theory, leading to a deep-rooted ideological divide—secular India vs Islamic Pakistan—which became the foundation of future conflicts.
  • Kashmir Accession (1947): The princely state of Jammu and Kashmir, ruled by Maharaja Hari Singh, became the central dispute. In October 1947, tribal militias backed by Pakistan invaded Kashmir. 
    • The ruler signed the Instrument of Accession (26 October 1947) to India, leading to military intervention. This marked the beginning of a prolonged territorial conflict over Kashmir.
  • First Indo-Pak War (1947–48): The first war lasted from October 1947 to January 1949. India and Pakistan deployed regular armies, resulting in thousands of casualties. The United Nations intervened in 1948, calling for a ceasefire and a plebiscite (which was never conducted). The war ended with the division of Kashmir along the Ceasefire Line, later called the Line of Control (LoC).
  • UN Resolutions and Ceasefire (1948–49): The UN Security Council Resolution 47 (1948) recommended a three-step solution: ceasefire, withdrawal of Pakistani forces, and plebiscite. However, disagreements over demilitarization prevented implementation. 
    • The Karachi Agreement (1949) formalized the ceasefire line, leaving Kashmir divided and institutionalizing the dispute internationally.
  • Cold War Alignments (1950s): During the Cold War, Pakistan joined US-led alliances like SEATO (1954) and CENTO (1955), receiving military aid. India followed a Non-Aligned policy, maintaining strategic autonomy. This alignment widened the strategic gap, with Pakistan strengthening its military capabilities, indirectly intensifying rivalry.
  • Second War (1965): The 1965 war began with Pakistan’s Operation Gibraltar aimed at inciting rebellion in Kashmir. It escalated into a full-scale war involving infantry, tanks, and air forces. 
    • The conflict lasted 17 days, with both sides suffering thousands of casualties. It ended with the Tashkent Agreement (January 1966), restoring the status quo without resolving core issues.
    • Tashkent Agreement (1966) was signed between India and Pakistan under Soviet mediation, the agreement required withdrawal to pre-war positions. Despite restoring peace temporarily, it failed to address Kashmir.
  • 1971 War and Bangladesh Creation: The 1971 war was triggered by political repression in East Pakistan. India supported the Mukti Bahini, leading to a decisive victory. On 16 December 1971, Pakistan surrendered, and Bangladesh was created. 
    • Approximately 90,000 Pakistani soldiers were taken as prisoners of war, marking the largest surrender since World War II.
    • The Simla Agreement (July 1972) signed by Indira Gandhi and Zulfikar Ali Bhutto, converted the ceasefire line into the LoC and emphasized bilateral resolution of disputes. It reduced internationalization but did not resolve Kashmir.
  • Kashmir Insurgency (1989): From 1989, an armed insurgency erupted in Kashmir. It led to tens of thousands of deaths over decades, including civilians, militants, and security forces. Pakistan was accused by India of supporting militant groups, transforming the conflict into a proxy war.
  • Nuclear Tests (1998): In May 1998, India conducted five nuclear tests (Pokhran-II), followed by Pakistan’s six tests (Chagai-I and II). Both declared themselves nuclear weapon states, significantly raising global concerns about nuclear escalation risks in South Asia.
  • Kargil Conflict (1999): The Kargil War (May–July 1999) occurred when Pakistani troops infiltrated Indian positions in Ladakh. India launched Operation Vijay, regaining territory. The conflict resulted in over 1,000 combined casualties and demonstrated the dangers of limited war under nuclear conditions.
  • Parliament Attack Crisis (2001): On 13 December 2001, a terror attack on the Indian Parliament led to Operation Parakram, a massive military standoff. Approximately 500,000 Indian troops and 300,000 Pakistani troops were mobilized along the border. The standoff lasted until October 2002, highlighting the “cold start” doctrine. 
  • Mumbai Attacks (2008): Ten terrorists from Lashkar-e-Taiba carried out coordinated attacks in Mumbai from 26-29 November 2008, killing 166 people. This event stalled the “Composite Dialogue” process and shifted India’s policy toward internationalizing the issue of state-sponsored terrorism, leading to increased pressure on Pakistan by the FATF. 
  • Uri and Surgical Strikes (2016): After the Uri attack (September 2016) killing 19 Indian soldiers, India conducted surgical strikes across the LoC targeting militant launch pads. This marked a shift toward proactive military responses below the threshold of war.
  • Pulwama and Balakot (2019): On 14 February 2019, a suicide bombing in Pulwama killed 40 Indian CRPF personnel. India responded on 26 February with airstrikes in Balakot, Pakistan. This marked the first time since 1971 that aerial strikes were used across the international border, significantly lowering the threshold for conventional response. 
  • Article 370 Abrogation (2019): In August 2019, India stripped Jammu and Kashmir of its special status under Article 370, splitting it into two union territories. This action further strained diplomatic relations, causing suspension of bilateral trade between two countries and downgrading diplomatic ties.

• Tourist Attack & Operation Sindoor (2025): In May 2025, tension escalated after a 22 April attack near Pahalgam killed 26 people, causing India to launch Operation Sindoor, a series of missile strikes on alleged terrorist camps and resulting in the suspension of the Indus Waters Treaty by India. Pakistan retaliated with Operation Bunyan al-Marsus, targeting Indian military bases.

Why Do India-Pakistan Tensions Risk Nuclear Conflict?

• Unclear Nuclear Doctrine: India follows a No First Use (NFU) policy since its 1999 draft nuclear doctrine, emphasizing retaliation only after a nuclear strike. In contrast, Pakistan maintains First Use ambiguity, aiming to offset India’s conventional superiority, increasing risks of early nuclear escalation during crises.
• Pakistan’s Tactical Nuclear Strategy: Pakistan developed tactical nuclear weapons (Nasr/Hatf-IX, range ~60–70 km) to counter India’s Cold Start Doctrine. These low-yield weapons are designed for battlefield use, lowering the nuclear threshold and raising fears of rapid escalation from conventional conflict to nuclear exchange.
• Civil-Military Imbalance in Pakistan: Pakistan’s nuclear program is heavily influenced by the military establishment, particularly the Army and Strategic Plans Division (SPD). Compared to India’s strong civilian control, concerns exist about centralized military dominance, which may affect decision-making speed and escalation control during crises.
• Risk of Non-State Actors: India highlights the threat of terror groups operating from Pakistani territory, such as those linked to attacks like Mumbai 2008 and Pulwama 2019. A major terrorist incident could trigger Indian military retaliation, potentially escalating into a nuclear standoff if misinterpreted by Pakistan.
• Short Decision Time and Geography: The geographical proximity (major cities within minutes of missile flight time) reduces decision-making time to under 10–15 minutes in some scenarios. This increases risks of miscalculation, accidental launch, or false alarms, especially during heightened tensions.