India-Pakistan Relations, Kashmir & Cross-Border Terrorism

Overview — Why This Is Central to UPSC

India-Pakistan relations are arguably the most intensely examined bilateral relationship in the UPSC GS2 syllabus. The relationship spans partition trauma, four wars, nuclear deterrence, cross-border terrorism, water disputes, and a frozen diplomatic process. Questions appear in Prelims (dates, agreements, treaties) and Mains (bilateral framework, terrorism, way forward). Understanding this relationship is also essential for topics on SAARC, India's neighbourhood policy, and internal security.

Historical Timeline

The Kashmir Dispute — Origins and Status

Accession and the UN Dimension

At partition in August 1947, princely states were given the choice to accede to India or Pakistan. The Maharaja of Jammu and Kashmir, Hari Singh, initially sought independence. When Pakistani tribal militias backed by the Pakistani army invaded Kashmir in October 1947, Maharaja Hari Singh signed the Instrument of Accession with India, enabling Indian military assistance. The accession was conditional and subject to a future plebiscite as promised by India.

The UN Commission for India and Pakistan (UNCIP) was established and passed resolutions on August 13, 1948 and January 5, 1949, which called for a ceasefire and a free and impartial plebiscite under UN auspices. The plebiscite was never held, and both sides blame each other. The UN resolutions remain technically unimplemented.

Line of Control (LoC)

The Karachi Agreement of July 27, 1949 (under UNCIP supervision) established the Ceasefire Line (CFL) based on troop positions at the end of hostilities. After the 1971 war, the Simla Agreement of 1972 renamed this the Line of Control (LoC).

The LoC spans approximately 740 kilometres, running from Ladakh in the north to Poonch district in the south. It is a de facto border — not a legally recognised international boundary. Both sides have agreed not to alter it unilaterally.

India holds Jammu and Kashmir (now two Union Territories after 2019 reorganisation). Pakistan holds Azad Jammu and Kashmir (AJK) and Gilgit-Baltistan. China holds the Aksai Chin region (claimed by India).

Key Agreements and Diplomatic Frameworks

Simla Agreement, 1972

Signed on July 2, 1972 in Shimla between Prime Minister Indira Gandhi and Pakistani President Zulfikar Ali Bhutto, following the 1971 war in which India handed Pakistan a decisive defeat.

Key provisions:

• Both sides shall settle their differences by peaceful means through bilateral negotiations — explicitly excluding third-party mediation.
• The LoC shall be respected; neither side shall seek to alter it unilaterally.
• Indian and Pakistani forces shall withdraw to their side of the international border.
• India agreed to return approximately 13,000 sq km of territory captured on the western front.
• India facilitated repatriation of over 90,000 Pakistani prisoners of war.

Significance for UPSC: The Simla Agreement is the cornerstone of India's position that Kashmir is a bilateral issue — any internationalisation of the dispute is rejected by India on this basis. Pakistan, conversely, continues to argue for UN or third-party involvement.

Lahore Declaration, 1999

Signed on February 21, 1999 between Prime Minister Atal Bihari Vajpayee and Prime Minister Nawaz Sharif, during Vajpayee's historic bus trip to Lahore.

Key provisions:

• Committed both countries to the peaceful resolution of all outstanding issues, including Jammu and Kashmir.
• Reiterated determination to implement the Simla Agreement in letter and spirit.
• Recognised that the nuclear dimension of the security environment adds to the responsibility of both countries to avoid conflict.
• Agreed to take immediate steps to reduce the risk of accidental or unauthorised use of nuclear weapons.

The declaration was rendered largely ineffective within months by the Kargil intrusion, which was being planned by the Pakistani military even as Vajpayee was visiting Lahore.

Agra Summit, 2001

A summit between Prime Minister Vajpayee and Pakistani President Pervez Musharraf in July 2001 ended without agreement, primarily because Pakistan insisted on placing Kashmir at the centre while India wanted terrorism on the agenda first.

Composite Dialogue Process (CDP), 2004–2008

The Composite Dialogue Process was formally launched in 2004 (with roots in a 1997 proposal at Male, Maldives). It covered eight baskets of issues: peace and security, Jammu and Kashmir, Siachen, Wullar Barrage/Tulbul Navigation Project, Sir Creek, terrorism and drug trafficking, economic and commercial cooperation, and people-to-people contacts.

The CDP was suspended after the Mumbai attacks of November 26–29, 2008, and has not been revived in any structured form since.

The Four Wars

1947–48 First Kashmir War

Pakistani tribal militias (lashkars), backed by Pakistani military, invaded Kashmir in October 1947. Maharaja Hari Singh acceded to India. Indian forces airlifted to Srinagar halted the advance. The UN brokered a ceasefire on January 1, 1949. India retained approximately two-thirds of Kashmir; Pakistan held approximately one-third.

1965 War

Pakistan launched Operation Gibraltar in August 1965 — infiltrating thousands of irregular fighters into Indian-administered Kashmir to trigger an insurgency. India responded with a full-scale counter-attack across the international border. The war ended with the Tashkent Agreement (January 10, 1966) brokered by the Soviet Union. Both sides returned to pre-war positions.

1971 War — Creation of Bangladesh

The 1971 war grew from Pakistan's brutal military crackdown (Operation Searchlight) on East Pakistan's population following the Awami League's election victory. India intervened militarily, and a two-front war ensued. Pakistan surrendered on December 16, 1971, with over 93,000 Pakistani soldiers taken prisoner — one of the largest surrenders since World War II. Bangladesh was born as an independent nation. India's decisive victory fundamentally altered the regional power balance.

Kargil War, 1999

From early 1999, Pakistani army regulars (disguised as militants) and paramilitary forces infiltrated high-altitude posts on the Indian side of the LoC in the Kargil-Drass sector of Ladakh. India detected the intrusion in May 1999.

India launched:

• Operation Vijay (Army ground offensive) — mobilising approximately 200,000 troops.
• Operation Safed Sagar (IAF air campaign) — the first use of combat aircraft by India near the LoC.

Under US pressure, Pakistani Prime Minister Nawaz Sharif signed the Washington Accord (July 4, 1999) and ordered withdrawal. Indian forces declared victory on July 26, 1999, now commemorated as Kargil Vijay Diwas.

Casualties: India officially recorded 527 killed and 1,363 wounded. Kargil was the first direct conflict between two nuclear-armed states, demonstrating that nuclear deterrence does not preclude conventional conflict below the nuclear threshold.

Cross-Border Terrorism — Pakistan's State-Sponsored Policy

India accuses Pakistan's military establishment and the Inter-Services Intelligence (ISI) of sponsoring, funding, training, and directing terrorist groups that operate against India. The principal groups include:

• Lashkar-e-Taiba (LeT): Founded in Pakistan; responsible for the 2008 Mumbai attacks; designated as a terrorist organisation by the UN.
• Jaish-e-Mohammed (JeM): Founded by Masood Azhar in 2000 after his release from Indian prison following the IC-814 hijacking; responsible for the 2001 Parliament attack, 2016 Pathankot attack, and 2019 Pulwama attack; designated by the UN Security Council.
• Haqqani Network: Active primarily in Afghanistan; links with ISI well-documented; designated by the USA and UN.

Major Terror Attacks and India's Responses

Indian Parliament Attack, December 13, 2001

A suicide attack by JeM and LeT operatives on the Indian Parliament building in New Delhi. Five attackers and six security personnel were killed. India mobilised troops to the border (Operation Parakram), and the two countries came close to a full-scale war. The crisis de-escalated under international pressure.

Mumbai 26/11 Attacks, November 26–29, 2008

Ten LeT operatives sailed from Karachi to Mumbai and carried out twelve coordinated attacks across the city over three days. 175 people were killed (including 9 attackers), and more than 300 were injured. Targets included the Taj Mahal Palace Hotel, Chhatrapati Shivaji Terminus (railway station), Nariman House (Jewish outreach centre), and the Oberoi-Trident hotel. One attacker, Ajmal Amir Kasab, was captured alive, convicted, and executed in November 2012. India suspended the Composite Dialogue Process and demanded Pakistan hand over the masterminds. Pakistan-American David Headley was separately convicted for conducting reconnaissance for the attacks.

Pathankot Attack, January 2, 2016

JeM terrorists attacked the Pathankot Air Force Station in Punjab. The attack killed 7 security personnel. Notably, despite the attack, the Indian government briefly attempted to continue the Composite Dialogue, inviting Pakistani investigators to visit Pathankot — an unprecedented move that yielded little cooperation from Pakistan.

Uri Attack, September 18, 2016

LeT terrorists attacked an Indian Army brigade headquarters camp in Uri, Jammu and Kashmir, killing 19 soldiers (the single largest loss of Indian military lives in an attack since the Kargil War). India described the attack as having a "Pakistan footprint."

India's Response — Surgical Strikes (September 29, 2016): Eleven days after the Uri attack, Indian Army Special Forces crossed the LoC and destroyed multiple terrorist launchpads in Pakistan-administered Kashmir. This was the first time India officially acknowledged conducting offensive cross-LoC operations. The action represented a significant doctrinal shift — India signalling willingness to carry out military responses to cross-border terrorism.

Pulwama Attack, February 14, 2019

A JeM suicide bomber rammed a vehicle packed with explosives into a CRPF convoy on the Jammu-Srinagar highway in Pulwama, J&K, killing 40 CRPF personnel. The deadliest ever attack on Indian security forces in Kashmir.

India's Response — Balakot Air Strikes (February 26, 2019): Twelve days after Pulwama, the Indian Air Force conducted air strikes targeting a JeM training camp in Balakot, Khyber Pakhtunkhwa, Pakistan — inside Pakistani territory, not just PoK. This was the first time since 1971 that India's combat aircraft struck inside Pakistani territory. Pakistan retaliated with an air incursion the next day (February 27); in the resulting aerial engagement, India lost one MiG-21 and Pakistan lost an F-16 (India's claim). The crisis de-escalated following back-channel diplomacy and US pressure. India followed up by revoking Pakistan's MFN trade status.

Article 370 Abrogation — August 5, 2019

On August 5, 2019, President Ram Nath Kovind issued a Presidential Order revoking Articles 370 and 35A of the Indian Constitution. The Parliament passed a bill to bifurcate Jammu and Kashmir into two Union Territories: Jammu and Kashmir (with a legislature) and Ladakh (without a legislature). This ended the special autonomy that J&K had held since 1949.

Pakistan's Response:

• Downgraded diplomatic relations — expelled India's High Commissioner and recalled its own from New Delhi.
• Suspended bilateral trade with India.
• Approached the UNSC (which held a closed consultative meeting but issued no statement or resolution).
• Sought but failed to secure international condemnation.

Impact on India-Pakistan relations:

• Already near-frozen relations deteriorated further.
• Pakistan declared August 5 as "Kashmir Black Day" every year.
• The ceasefire agreement of February 2021 (a rare positive step, reaffirming the 2003 ceasefire understanding) was reached despite the political freeze, indicating that military-level contacts survive diplomatic ruptures.

Indus Waters Treaty, 1960 — Provisions and 2025 Crisis

The Indus Waters Treaty was signed on September 19, 1960 in Karachi by Prime Minister Jawaharlal Nehru and Pakistani President Ayub Khan, with the World Bank as guarantor and mediator.

Key provisions:

• The six rivers of the Indus system are divided between the two countries.
• India receives exclusive rights over the three Eastern Rivers: Beas, Ravi, and Sutlej (approximately 20% of total flow).
• Pakistan receives rights over the three Western Rivers: Indus, Chenab, and Jhelum (approximately 80% of total flow).
• India is permitted limited non-consumptive use (run-of-the-river hydroelectric projects) on the Western Rivers.
• A Permanent Indus Commission (one commissioner each from India and Pakistan) oversees implementation.

The treaty survived the 1965 war, the 1971 war, Kargil, and all subsequent crises — making it one of the most durable water-sharing treaties in the world.

2025 Suspension: Following the Pahalgam terror attack of April 22, 2025, India declared the suspension of the Indus Waters Treaty on April 23, 2025 — citing national security concerns and Pakistan's continued support for cross-border terrorism. This is the first time either country has suspended the treaty since its signing in 1960. The World Bank stated there is no provision in the treaty for unilateral suspension, and that changes require bilateral agreement. India has since maintained that the suspension will remain until Pakistan credibly ends support for cross-border terrorism.

CPEC — China-Pakistan Economic Corridor

The China-Pakistan Economic Corridor (CPEC) is a 3,000-km infrastructure network of roads, pipelines, railways, and energy projects connecting Gwadar Port (Balochistan, Pakistan) to Kashgar (Xinjiang, China). It is a flagship project of China's Belt and Road Initiative (BRI).

India's core objection: A significant portion of CPEC's western alignment passes through Gilgit-Baltistan, which is part of Pakistan-occupied Kashmir (PoK) — territory India considers an integral part of its sovereign territory (UT of Jammu and Kashmir). India has consistently protested CPEC's inclusion in China's BRI framework, stating to Parliament that "no third country should be involved in it." India has boycotted all BRI forums and declined to join any BRI projects.

Strategic concern: CPEC deepens the China-Pakistan strategic nexus, giving China a stake in PoK's development and embedding Chinese infrastructure in territory India claims. India views this as a direct threat to its sovereignty and a strategic encirclement effort.

Trade Relations — MFN and Beyond

Bilateral trade was minuscule even before the suspension; the revocation of MFN formalised a near-total trade freeze.

Kartarpur Corridor — A Rare Positive Step

The Kartarpur Corridor opened on November 9, 2019 — coinciding with Guru Nanak Dev Ji's 550th Prakash Purab (birth anniversary). The corridor:

• Links Dera Baba Nanak (Punjab, India) to Gurdwara Darbar Sahib Kartarpur (Punjab, Pakistan), where Guru Nanak spent the last 18 years of his life.
• Spans approximately 4.7 kilometres.
• Allows Indian Sikh pilgrims to visit Kartarpur Sahib without a visa, using an Electronic Travel Authority (ETA).
• The idea was first mooted by Prime Ministers Vajpayee and Nawaz Sharif in 1999.
• Foundation stone laid simultaneously by Prime Minister Narendra Modi (India side, November 26, 2018) and Prime Minister Imran Khan (Pakistan side, November 28, 2018).

Despite opening just months after the Article 370 abrogation, the corridor represented a rare area of bilateral cooperation driven by religious and people-to-people sentiment. It remains open (with temporary closures during COVID-19).

FATF and Pakistan's Terror Financing Record

The Financial Action Task Force (FATF) placed Pakistan on its grey list (Increased Monitoring) in 2018, citing inadequate action on terror financing and money laundering — particularly related to UN-designated groups LeT and JeM operating on Pakistani soil.

Pakistan was given a 27-point (later extended to 34-point) action plan. After completing the action plan requirements, Pakistan was removed from the FATF grey list in October 2022. Pakistan is currently under follow-up monitoring by the Asia Pacific Group (APG).

UPSC relevance: The FATF grey listing was a major diplomatic tool India and the international community used to pressure Pakistan on state-sponsored terrorism. India consistently raised FATF compliance issues in multilateral forums.

Way Forward — A Frozen but Complex Relationship

SAARC Paralysis

The South Asian Association for Regional Cooperation (SAARC) has been effectively paralysed since India boycotted the 2016 Islamabad SAARC Summit following the Uri attack, citing "increasing cross-border terrorist attacks." The summit was postponed and has not been rescheduled. SAARC cannot function without India-Pakistan normalisation.

SCO as an Engagement Platform

Both India and Pakistan are members of the Shanghai Cooperation Organisation (SCO) since 2017. SCO summits provide one of the few multilateral platforms where Indian and Pakistani leaders can be in the same room, though bilateral pull-asides are rare. India hosted the SCO summit in 2023 (virtually). Foreign ministers have had brief interactions on the sidelines of SCO meetings.

Back-Channel Diplomacy

Even during the most severe diplomatic freezes, India and Pakistan maintain intelligence-level back-channel contacts. The February 2021 ceasefire reaffirmation (both sides committed to honour the 2003 ceasefire along the LoC) was reportedly facilitated through back-channel contacts — indicating pragmatic military-level cooperation survives political rupture.

Post-Pahalgam 2025 Context

The Pahalgam terror attack of April 22, 2025, and India's subsequent suspension of the Indus Waters Treaty, airspace closure, and other punitive measures mark the most severe deterioration of India-Pakistan relations since Pulwama-Balakot. The relationship is effectively in deep freeze as of early 2026, with no structured dialogue mechanism in place.

Exam-Ready Reference: Key Dates and Facts for Prelims

Mains Tip: A common question format asks to "evaluate the prospects for normalisation of India-Pakistan relations." Structure your answer around: (1) structural impediments — military's role in Pakistani foreign policy, nuclear deterrence creating risk tolerance; (2) key bilateral issues — Kashmir, terrorism, water; (3) multilateral frameworks — SCO, SAARC; (4) way forward — graduated confidence-building, back-channel diplomacy, people-to-people ties. Always anchor your answer to the Simla Agreement's bilateral framework as India's foundational position.

Prelims Tip: The Indus Waters Treaty (1960), Simla Agreement (1972), and Lahore Declaration (1999) are the three most frequently tested agreements. Know who signed them, when, and the one-line significance of each. Kargil War dates (May–July 1999, Vijay Diwas = July 26) and the sequence Uri → Surgical Strikes → Pulwama → Balakot are standard question patterns.