war cost for india half a trillion dollars

War is a costly enterprise in every sense of the word, and if the hardline BJP regime provoked a full-scale conventional war with Pakistan, it is indisputable that India would pay very dearly. But just how dearly? We constructed a multifactor macroeconomic model, assessing aggregate output categories of consumption, government spending (civilian & military), investment, and foreign receipts, with key subcategories within each factor calculated and then normalized on a monthly basis.

By crunching the numbers in this manner, we came to get a sense of the devastation that would be wrought upon India. The findings of our macroeconomic analysis were that, in a four-week conventional war, India’s losses would exceed half a trillion dollars –at a minimum. This is by no means a trifling sum for a $3+ trillion economy.

If the damage approaches anywhere near this mark, India would face a GDP decline of nearly -20%, which is an amount seldom seen in recent history, except in the cases of catastrophic economic dissolution as experienced in Argentina (2001) and Greece (2010) during peacetime, and Iraq (2003) and Libya (2011) in wartime.

Why would the loss be so great? To put its plainly, because the costs of war are not just in the sets of cheques written by governments. Rather, they bear catastrophic losses when they disrupt or destroy human lives, military hardware, property, markets, savings, morale, psychology, and any semblance of sanity in society.

Imagine the convulsions to the regular course of life in India when a full-blown conventional war erupts. How many multinationals would halt or cancel investment plans? ($11bn+), how many retail activities would be shuttered indefinitely? ($51bn+), how badly would the market capitalization of their stock market collapse? ($250bn+), how many foreign investors would withdraw in capital flight? ($50bn+) how much disorder would flow out onto streets? ($3bn+) how much infrastructure would be damaged or in disrepair? ($10bn+), how many homes would go without electricity, water, and gas? ($0.5bn), how many flights would be grounded? ($0.2bn), how much of the military capability would need to be rebuilt? ($15bn+), and how many would-be tourists would cancel their travel? ($14bn+).

These are but some of the costs which we calculated and aggregated into comprehensive macroeconomic model, and other variables we omit here for brevity. We note that this does not even begin to touch the ultimate fear – that of very limited nuclear exchange, since the loss in that instance would be near-incalculable and long-term.

To put things in perspective, we also applied the same modelling approach to Pakistan, and found that the damage would also be catastrophic, but not nearly as much in neither absolute nor relative terms. For a conventional war, this should not be surprising: India is a country seven times larger, and on a per-capita basis its economy is larger and growing at a faster rate. But to magnify the point, it is also a much more complex economy, and there are sectors in India which are incomparably larger than in Pakistan, whether it be the stock market capitalization, its tourism industry, its IT services industry, or its overall export volume, among others. Our analysis indicates that the economic damage of a 4-week conventional conflict would amount to 10% of Pakistan’s GDP, given the comparatively elemental structure of its socio-economy. All this is but a reflection of the larger glass house in which India sits. It is an axiomatic reminder that: the bigger they are, the harder they shall fall.

To cite an example of the speed with which losses are incurred in war, take the irresponsible and disastrous employment of the Indian Air force, when the Pakistan Air force shot down two Indian fighters which resulted in a loss of over $ 100 million in less than 5 minutes of air combat.  As such, the half trillion-dollar ultimate figure in our study helps to frame India’s risks and stakes as a deterrent to further violence and conflict.

Yet the desperation of the BJP extremist government to latch on to power worsens by the day, particularly as the April 2019 election nears. India’s humiliated military, record unemployment, worsening inequality, and rampant corruption (as in the Rafale Deal), heightens the BJP’s thirst for vengeance. But India’s economic woes would be far worse if an all-out conflict broke out. Our study should assist those thinkers who now ponder the consequences of misadventures by the Indian military, particularly as the 2019 election nears.

Wars can escalate unpredictably, last longer than foreseen, draw down more resources, and prove difficult to end. Moreover, the state of ‘no peace, no war’ that trails a conflict worsens that economic uncertainty considerably. Furthermore, with 68% of its arms and hardware obsolete, and severe human resources and materiel issues, India should be more circumspect about confronting a large neighboring country.

As such, this study bolsters the claim that peace must prevail in South Asia, for without it, the region cannot realize its full economic potential – certainly not while its largest member, India, repeatedly absolves itself of its responsibilities to its people, to its neighbors, and to the world at large

We note that, in light of the harrowing economic damage and loss of life, any future government in India that would assume charge in the wake of such a devastating conflict would face almost insurmountable odds of reconstruction, and wallow in the economic repercussions of their forebears’ folly. The Indian leadership must be mindful of this – for as we may attempt to calculate the cost of a war, scarcely can we begin to calculate its ultimate price.

The authors of this study are directors at the Centre for Aerospace and Security Studies. They can be reached at [email protected]


Share this article

Facebook
Twitter
LinkedIn

Recent Publications

Browse through the list of recent publications.

The US-Israel War on Iran: Objectives, Strategy, and Escalation Management

Zahra Niazi
‘States tend to overestimate themselves or the benefits and swiftness of war, and to underestimate their opponents’ capabilities, intentions, or the costs and duration of war.’ If anything, the 2026 war initiated by the United States and Israel against Iran shall be remembered in the annals of warfare among the most visible manifestations of this dynamic.
The war, immediately preceded by the January mass protests in Iran, did not represent a sudden rupture but rather the continuation of a 47-year-long confrontation and a more intense phase of the June 2025 war.
The US Secretary of War, Pete Hegseth, defined the war’s objectives as being laser-focused: to destroy Iran’s missile capabilities and its security infrastructure, while ensuring that it could never develop nuclear weapons. Beyond these stated objectives, among the priorities on the continuum also lay the objective of regime change, with both President Trump and Prime Minister Netanyahu explicitly calling on the Iranian population to take over the government at the outset of the war.

Read More »

Marka-e-Haq to the Peace Talks: Pakistan’s Middle Power Status

On 7th May 2025, Pakistan’s military forces took the international security community by surprise when it demonstrated operational superiority against its larger belligerent adversary India with its rapid and coordinated response. The Four-Day conflict proved to be a watershed moment for Pakistan, marking its rapid emergence as an important player in the region. In recent years, amidst the ongoing global competition between the United States and China, Islamabad has adopted a position of ’Strategic Balancing,’ where it maintains ties of cooperation with both Beijing and Washington. Deft diplomacy, emphasis on geo-economics, and credible conventional and strategic deterrence have remained the foundational pillars for Pakistan’s ambition as a rising middle power

Read More »

Debunking the S-400 Shield: Lessons from the India-Pakistan Conflict

Air defense has always been a central aspect of warfare. In South Asia, the phenomenon carries immense significance due to compressed reaction times. In this context, one of the most-hyped systems is the Russian-made S-400, touted by New Delhi as a one-stop solution to counter aerial threats from both Pakistan and China.
The 2025 conflict between India and Pakistan marked an important chapter in testing the S-400 technology. The conflict began on May 7, when India attacked what it alleged were terrorist targets in both Pakistani-held Kashmir and Pakistan proper, using drone and missile strikes. The conflict lasted for four days, culminating in a U.S-facilitated ceasefire. However, the brief conflict debunked a lot of the myths regarding the S-400 technology.
First, India claimed that the mobile S-400 would be able to control Pakistan’s airspace. In contrast, Pakistani aircraft continued to operate freely, according to official briefings by the Pakistani military. Although the Pakistan Air Force (PAF) aircraft were in their own airspace, they were still within the air defense range.

Read More »