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The Global Cost Of India-Pakistan Nuclear War

If India & Pakistan fought a war with half of their combined arsenal, 21 million people will die in the first week.

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If India and Pakistan fought a war detonating 100 nuclear warheads (around half of their combined arsenal), each equivalent to a 15-kilotonne Hiroshima bomb, more than 21 million people will be directly killed in one week, about half the world’s protective ozone layer would be destroyed, and a “nuclear winter” would cripple the monsoons and agriculture worldwide.

As the Indian Army considers armed options, and a member of Parliament (MP) of the Bharatiya Janata Party (BJP) urges a nuclear attack, these projections, made by researchers from three US universities in 2007, are a reminder of the costs of nuclear war.

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If India & Pakistan fought a war with half of their combined arsenal, 21 million people will die in the first week.
Visualisation by nucleardarkness.org based on a study by researchers from Rutgers University, University of Colorado-Boulder and University of California, Los Angeles.
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BJP Rajya Sabha member Subramanian Swamy said on 23 September that if 100 million Indians died in a Pakistani nuclear attack, India’s retaliation would wipe out the entire population of Pakistan.

But the real costs would be higher and not just in India and Pakistan. In the two countries alone, 21 million people – half the death toll of World War II – would perish within the first week from blast effects, burns and acute radiation, according to the 2007 study by researchers from Rutgers University, University of Colorado-Boulder and University of California, Los Angeles.

This death toll would be 2,221 times the number of civilians and security force personnel killed by terrorists in India over nine years till 2015, according to an IndiaSpend analysis of data on the South Asian Terrorism Portal.

Another two billion people worldwide would face risks of severe starvation due to the climatic effects of nuclear weapon use in the subcontinent, according to a 2013 assessment by the International Physicians for the Prevention of Nuclear War, a global federation of physicians.

Pakistan has an estimated 110 to 130 nuclear warheads as of 2015 – an increase from an estimated 90 to 110 warheads in 2011– according to a report by the Bulletin of the Atomic Scientists, a global disarmament advocacy. India is estimated to have 110 to 120 nuclear warheads.

Talk of war began after the terrorist attack on an army camp in Uri claimed the lives of 19 soldiers. The Army said the attack was carried out by four terrorists from Jaish-e-Mohammed.

Pakistan’s defence minister Khawaja M Asif responded to threats from India by saying, “If Pakistan’s security is threatened, we will not hesitate in using tactical (nuclear) weapons.”

Pakistan’s nuclear weapons capability has deterred India from responding to previous attacks.

“At the end of the day, India has to ensure that the options it exercises – particularly the military ones – do not leave it worse off than before in terms of casualties and costs,” wrote analyst Manoj Joshi in The Wire.

It does not really matter if India has fewer nuclear weapons than Pakistan, IndiaSpend reported in April, 2015, primarily because of the doctrine of “mutually assured destruction”, or MAD, as it is commonly known (see this IndiaSpend report for more about India’s nuclear weapons programme).

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66 Percent of Pakistan's Nuclear Weapons on Ballistic Missiles

As many as 66 percent of Pakistani nuclear warheads are mounted on 86 land-based ballistic missiles, according to Bulletin of the Atomic Scientists estimates.

Pakistan’s Hatf (named after the sword of Prophet Mohammed) series of ballistic missiles has been developed – and is still under development – keeping India in mind.

A major attack by Pakistan’s nuclear-tipped medium-range ballistic missiles (MRBMs) would likely target India’s four major metros – New Delhi, Mumbai, Bengaluru and Chennai (depending on where the missile is fired from) – according to Sameer Patil, fellow (national security, ethnic conflict and terrorism) at Gateway House, Mumbai-based think tank.

The MRBMs would also target “the major commands of the Indian Army”, Patil told IndiaSpend.

Nearly half (40) of Pakistan’s ballistic missile warheads could be mated to Ghauri (named after 12th-century Afghan king Muhammad of Ghauri) MRBMs. The missile has a claimed range of 1,300km and can target Delhi, Jaipur, Ahmedabad, Mumbai, Pune, Nagpur, Bhopal and Lucknow, according to this 2006 report on Pakistan’s ballistic missile programme by the National Institute of Advanced Studies (NIAS), Bengaluru.

Pakistan has an estimated eight warheads which could be mated to the Shaheen (Falcon) II. This MRBM has a range of 2,500km and can target most major Indian cities, including Kolkata.

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If India & Pakistan fought a war with half of their combined arsenal, 21 million people will die in the first week.
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An estimated 16 warheads could be fired atop the short-range Ghaznavi (named after the 11th-century Afghan invader Mahmud Ghazni) ballistic missile. With a range of 270km to 350km, it can target Ludhiana, Ahmedabad and the outer perimeter of Delhi.

Pakistan has an estimated 16 nuclear-tipped Shaheen1 (falcon), short-range ballistic missiles (IRBM), having a 750km range which can reach Ludhiana, Delhi, Jaipur and Ahmedabad.

Pakistan has an estimated six 60-km range Nasr missiles, which could be mated to nuclear weapons. These tactical nuclear missiles could target “advancing battle formations of the Indian Army”, according to Patil. These missiles could be what Pakistan’s defence minister Asif referred to.

Pakistan also has eight nuclear-tipped 350km Babur cruise missiles with nuclear warheads.

An estimated 36 nuclear warheads, accounting for 28 percent of Pakistan’s total, can be delivered using aircraft. US-made F-16 A/B aircraft can deliver 24 nuclear bombs while the French-made Mirage III/V can deliver 12.

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India's Triad: Submarine, Missile and Aircraft

India has deployed 56 Prithvi and Agni series of surface-to-surface ballistic missiles, which carry 53% of India’s 106 estimated warheads, according to the Bulletin of Atomic Scientists.

This doesn’t take into account the estimated 12 warheads for the K-15 Sagarika submarine-launched ballistic missiles (SLBMs), which India has possibly produced for the nuclear-powered ballistic missile submarine INS Arihant.

Once commissioned, Arihant would give India a strategic nuclear triad and second strike capability, as this July 2015 IndiaSpend report notes.

“Given the smaller geographical size of Pakistan,” said Patil, India would likely target “Islamabad, Rawalpindi, Lahore and Karachi and the Pakistani Army Armed Corps headquarters at Nowshera”.

However, he cautioned:

The fallout of the nuclear attacks on Lahore and Karachi, for instance, would not just be restricted to the Pakistani territory, and depending on the wind directions, can affect both Indian and Afghan border territories.
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If India & Pakistan fought a war with half of their combined arsenal, 21 million people will die in the first week.
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The 250km range Prithvi SRBM acts as a delivery system for 24 of India’s warheads. These are capable of hitting major Pakistani cities, such as Lahore, Sialkot, Islamabad and Rawalpindi, according to this May 2015 IndiaSpend analysis.

India has 20 nuclear-tipped Agni I SRBM and eight Agni II intermediate range ballistic missiles (IRBMs), with ranges of 700km and 2,000km, respectively. These are capable of covering almost all Pakistani cities, including Lahore, Islamabad, Rawalpindi, Multan, Peshawar, Karachi, Quetta and Gwadar.

Agni III, IV and V, with their longer ranges, might be able to reach all of Pakistan, but it can be safely said that they are directed more towards China.

India also possesses an estimated two ship-launched 350-km range Dhanush SRBM, which could be fitted with nuclear warheads.

India’s aircraft can deliver an estimated 45 percent of 106 warheads. The Indian Air Force’s Jaguar fighter bombers can deliver about 16 nuclear warheads, while the French-built Mirage-2000 fleet can deliver 32.

(This article was first published by IndiaSpend. Abheet Singh Sethi is a Mumbai-based freelance writer and defence analyst.)

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