India Targets Su-57 Stealth Jets and S-500 Shield in High-Stakes Defence Talks with Russia

(DEFENCE SECURITY ASIA) — India is preparing to enter a decisive phase of defence negotiations as it gears up for pivotal talks with Russia on the acquisition of the fifth-generation Sukhoi Su-57 fighter jet and the S-500 Prometheus long-range air defence system during President Vladimir Putin’s anticipated visit to New Delhi this week.

This high-stakes engagement, potentially worth billions of dollars—equivalent to billions of Malaysian Ringgit (RM)—signals New Delhi’s determination to pursue strategic autonomy even as geopolitical pressure from Washington intensifies under the incoming Trump administration.

The prospective procurement represents a bold attempt by India to rectify critical shortfalls in its combat aviation fleet and air defence network amid rapidly shifting power balances in the Indo-Pacific.

The Indian Air Force (IAF), already confronting a deepening fighter squadron deficit, views the incorporation of Russian platforms—particularly the Su-57 with its stealth profile, long-range missiles, and advanced avionics—as a significant force multiplier capable of elevating deterrence across contested air domains.

This strategic opening comes at a moment when India’s deep-rooted defence partnership with Moscow faces renewed scrutiny from Western policymakers, especially as Washington seeks to limit the scale and depth of Indo-Russian defence synergy.

Yet despite diversification toward Western systems, Russia continues to anchor India’s military inventory by supplying critical assets ranging from frontline fighters to long-range air defence systems.

Indian officials maintain that Russian-origin equipment offers unmatched compatibility with the IAF’s existing fleets, superior performance in high-altitude environments along the Line of Actual Control, and lower life-cycle costs compared with most Western alternatives.

As regional frictions sharpen—particularly in light of China’s expanding military footprint, Pakistan’s accelerated modernization, and the intensifying great-power competition in the Indo-Pacific—the potential induction of the Su-57 and S-500 could fundamentally rewire the aerial balance of power in South Asia.

This anticipated negotiation is therefore not merely a defence procurement process but a broader geopolitical signal, underscoring India’s willingness to assert its strategic independence against external pressure.

The Enduring Indo-Russian Defence Nexus: A Core Pillar of India’s Military Identity

India’s defence relationship with Russia is one of the most enduring military partnerships in modern geopolitical history, dating back to the Cold War and maturing into what both nations describe as a “special and privileged strategic partnership.”

Over the past several decades, Moscow has supplied more than 60% of India’s defence hardware, forming the backbone of the country’s air, land, and naval power.

This includes the workhorse Sukhoi Su-30MKI, one of the world’s most versatile heavy fighters and the nucleus of the IAF’s combat strength, alongside other major platforms such as the T-90S main battle tank, Kilo-class submarines, and the S-400 Triumf air defence system.

The Indo-Russian synergy is further embodied in the BrahMos supersonic cruise missile program, one of the finest examples of joint defence innovation that merges Russian propulsion expertise with Indian warhead, guidance, and manufacturing capabilities under the “Make in India” framework.

By 2025, this strategic partnership remains firmly anchored by the 2021–2031 Military Technical Cooperation (MTC) Agreement, which provides a mechanism for collaborative research, joint production, and long-term sustainment support for major weapon systems.

Recent high-level engagements, including the fifth Working Group on Military Cooperation, have explored expanded training programs, enhanced interoperability, and new co-development ventures as both sides seek to insulate their defence relationship from external geopolitical shocks.

President Putin’s upcoming visit, scheduled for December 4–5, is expected to deepen bilateral cooperation across energy, regional security, trade, and defence procurement, with the Su-57 and S-500 positioned as central discussions.

Russia’s offer to provide full technology transfer for the Su-57—including production licensing potentially valued at USD 8–12 billion (RM 36–54 billion)—signals a level of openness rarely extended by Moscow, and one that could allow India to localize manufacturing, reduce import dependency, and strengthen its domestic aerospace ecosystem.

This strategic generosity stems from mutual trust, long-term industrial integration, and Russia’s recognition of India as a key Asian counterweight to Western influence.

The IAF’s familiarity with Russian platforms, along with existing infrastructure, training frameworks, and logistical pipelines, ensures a smoother absorption of the Su-57 into India’s fleet compared with the adoption of entirely new Western designs.

While India continues to diversify with Western assets such as the French Rafale and American AH-64E Apache, Russian systems remain foundational due to cost competitiveness, battlefield reliability, and robust performance in extreme operational environments.

As discussions on the S-500 mature, a new technological frontier emerges, one that could dramatically enhance India’s capability to intercept next-generation ballistic missiles and hypersonic glide vehicles.

IAF’s Fighter Crunch: The Urgent Drive Toward Modernization and Air Dominance

India’s renewed interest in the Su-57 is driven by a mounting crisis within the IAF, which currently operates 31 fighter squadrons against a projected requirement of 42 squadrons to confront simultaneous threats from China and Pakistan.

This deficit marks the lowest fighter strength since the 1965 Indo-Pak war, underscoring a structural problem compounded by the retirement of legacy MiG-21, MiG-23, and MiG-27 fleets without timely replacements.

A parliamentary review in December 2024 warned that this shortfall, if unaddressed, could compromise India’s deterrence posture and its ability to sustain high-intensity conflict over multiple fronts.

India’s indigenous efforts, including the HAL Tejas Mk1A, Tejas Mk2, and the forthcoming Advanced Medium Combat Aircraft (AMCA), remain promising but face extended timelines before full operationalization.

The Multi-Role Fighter Aircraft (MRFA) program, intended to bring in 114 foreign-origin fighters, continues to face delays due to complex procedural, industrial, and political considerations.

Moreover, the IAF’s pilot shortage further strains readiness, with intake goals falling short between 2016–2021, resulting in a deficit of nearly 486 pilots—a figure significant enough to affect sortie rates, training cycles, and frontline deployment readiness.

Training resources remain overstretched, and modernization delays in critical enablers such as airborne early warning and control (AEW&C) aircraft reduce India’s ability to exploit air dominance in a contested environment.

Meanwhile, China has deployed more than 200 J-20 fifth-generation stealth fighters, several stationed in Tibet and Xinjiang, within striking distance of the Sino-Indian border.

Pakistan, too, has accelerated the modernization of its fleet with the JF-17 Block III equipped with AESA radars and the PL-15 long-range air-to-air missile, tightening the airpower gap vis-à-vis India.

In such a scenario, the Su-57 presents itself as a feasible stopgap solution—a platform capable of rapid integration due to shared Russian lineage with the Su-30MKI, thereby minimizing infrastructure, training, and sustainment transitions.

Crucially, the Su-57’s ability to deploy the R-37M long-range hypersonic-class missile, capable of engaging airborne targets at 400 km, provides India with a formidable standoff advantage unmatched by most regional competitors.

This missile, with a terminal speed exceeding Mach 6, would significantly enhance India’s ability to dominate the aerial battlespace at extended ranges, particularly against high-value targets such as AWACS, aerial refuellers, and frontline fighters operating deep in contested airspace.

Su-57 Felon: The Technological Edge India Seeks for Air Superiority

The Sukhoi Su-57, known by its NATO designation “Felon,” represents the pinnacle of Russian fifth-generation fighter engineering, conceived to perform air superiority, precision strike, and multi-domain operations across complex battle environments.

Entering limited service in 2020, the aircraft features a composite airframe with radar-absorbent materials, reduced radar cross-section (RCS), advanced infrared suppression, and aerodynamic shaping designed to maximize stealth while maintaining high maneuverability.

Powered by twin AL-41F1 engines, with future upgrades to the next-generation Izdeliye 30 powerplant, the Su-57 achieves Mach 2 top speeds and a combat radius exceeding 1,600 km, giving it substantial reach across the Indo-Pacific theatre.

The aircraft’s avionics suite includes an advanced AESA radar, a distributed aperture system (DAS), a sophisticated infrared search and track (IRST) sensor, and artificial intelligence-assisted target recognition, enabling multi-vector detection and tracking of both stealth and conventional threats.

The Su-57’s internal weapon bays allow it to carry up to four K-77M or R-37M long-range missiles, offering a decisive advantage in beyond-visual-range (BVR) engagements.

The R-37M, with a maximum reach of 400 km, currently outmatches the Chinese PL-15 (200 km), the American AIM-120D (180 km), and even the European Meteor (150–200 km), positioning India to reclaim long-range aerial dominance.

Its heavy-payload capacity surpasses that of the F-22 Raptor, while its supermaneuverability—enabled by thrust-vectoring nozzles and an aerodynamically balanced airframe—provides superior close-combat agility unmatched by most Western fighters.

This technological combination highlights the Su-57 as a platform engineered not just for survivability but for offensive air superiority, allowing it to engage multiple targets across complex electronic warfare environments.

The Su-57’s export maturity was confirmed when Algeria became the first foreign customer in 2025, demonstrating that production bottlenecks have eased despite Western sanctions.

India, if it proceeds, is poised to become the largest international operator, with potential orders ranging from 36 to 72 units, worth USD 12–18 billion (RM 54–81 billion) depending on configuration and localization.

Such an acquisition would significantly augment India’s ability to contest airspace over the Himalayas, the Indian Ocean Region (IOR), and potential conflict theatres near the Line of Actual Control (LAC).

Technical Comparison Table 

Aircraft	Developer	Max Speed (Mach)	Range (km)	Armament	Key Features
Su-57 Felon	Russia (Sukhoi)	2.0	3,500	R-37M (400 km), K-77M, air-to-ground missiles	Stealth, supercruise, AESA radar, supermaneuverability
F-35 Lightning II	USA (Lockheed Martin)	1.6	2,200	AIM-120D (180 km), JDAM	Sensor fusion, vertical takeoff (B variant), network warfare
J-20 Mighty Dragon	China (Chengdu)	2.0	5,500	PL-15 (200 km), PL-21	Stealth, long-range interception, data links
Rafale	France (Dassault)	1.8	3,700	Meteor (150 km), SCALP	Omnirole, active cancellation stealth, Spectra EW
Tejas Mk2	India (HAL)	1.8	3,000	Astra (110 km), BrahMos-NG	Indigenous, AESA radar, under development

This comparison reflects the Su-57’s superior BVR armament and its relevance as a strategic fit for India’s operational needs.

S-500 Prometheus: India’s Next Shield Against Hypersonic and Ballistic Threats

While the Su-57 would strengthen India’s offensive air capabilities, the S-500 Prometheus fills a critical gap in the country’s ballistic and hypersonic missile defence architecture.

Operational since 2021 in elite Russian units, the S-500 is designed to intercept ballistic missiles, hypersonic glide vehicles, low-orbit satellites, and stealth aircraft at unprecedented ranges.

The S-500 boasts a 600 km engagement envelope for aerodynamic targets and 500 km for ballistic missiles, supported by high-performance radars such as the 91N6A(M) and 76T6, capable of detecting threats up to 3,000 km away.

Equipped with interceptors like the 40N6, the system provides exo-atmospheric interception capabilities, enabling India to counter emerging hypersonic threats from adversaries such as China’s DF-17 and Pakistan’s Ababeel MIRV-capable missile.

The S-500 fills a crucial doctrinal gap by offering rapid reaction times under 4 seconds, bolstering India’s growing ballistic missile defence (BMD) ecosystem comprising the indigenous PAD, AAD, and the under-development AD-1/AD-2 interceptors.

At a cost of USD 700–800 million (RM 3.2–3.6 billion) per battery, the S-500 represents a strategic investment in futureproofing India’s air and missile defence posture.

Integrating the S-500 with India’s existing S-400 units, early warning satellites, and long-range surveillance radar networks would create one of the most formidable air defence grids in Asia.

Navigating US Pressure: India’s Strategic Autonomy in the New Great Power Contest

India’s pursuit of the Su-57 and S-500 occurs at a time of heightened pressure from the United States, which continues to invoke CAATSA sanctions, tariff threats, and diplomatic leverage to discourage defence cooperation with Russia.

The incoming Trump administration has imposed 50% duties on Indian goods, alleging that India’s purchase of discounted Russian oil inadvertently funds Moscow’s ongoing military campaigns.

American officials, including senior adviser Stephen Miller, have described India’s position as “unacceptable,” raising fears of renewed diplomatic friction between the world’s two largest democracies.

Yet India has consistently maintained that its defence choices reflect national interests, operational realities, and the imperatives of defending a vast and contested strategic ecosystem stretching from the Himalayas to the Indian Ocean.

India’s participation in the Quad does not preclude defence ties with Russia, and New Delhi’s doctrine of multi-alignment allows it to balance relations with Washington, Moscow, and other major powers.

The pursuit of Russian systems like the Su-57 and S-500 reflects India’s belief that diversification, not dependence, ensures resilience in an era of unpredictable global conflict patterns.

Regionally, India’s pursuit of advanced weaponry may accelerate the arms race in Asia, particularly as China expands fifth-generation fighter production and Pakistan explores next-generation platforms such as the J-35 or FC-31.

Challenges including sanctions-related delays, financial exposure, and interoperability issues remain, but the strategic benefits—deterrence stability, capability enhancement, and geopolitical leverage—outweigh potential risks.

India’s Strategic Horizon and the Future of Regional Air Power

India’s determined pursuit of the Su-57 and S-500 during President Putin’s visit underscores its unwavering commitment to a multipolar defence strategy that prioritizes capability, autonomy, and resilience over external pressure.

By leveraging Russian technological depth and long-standing industrial ties, India aims to plug critical gaps in the IAF’s combat fleet, strengthen its missile shield, and bolster its status as a dominant air power in South Asia.

If negotiations proceed smoothly, India could begin receiving Su-57s toward the late 2020s, followed by S-500 deliveries, fundamentally reshaping the region’s military balance.

In an era of shifting alliances, rising threats, and intense strategic competition, India’s evolving defence posture reflects a nation determined to secure its skies, protect its sovereignty, and project stability across one of the world’s most volatile security landscapes.

India, in forging ahead with these transformative procurements, is preparing for a future where air dominance and missile defence will determine the outcome of regional power struggles for decades to come.

— DEFENCE SECURITY ASIA