India is set to strengthen its air defence network as Russia ships the fourth S-400 Triumf missile defence system under the multi-billion-dollar defence deal between the two nations. The advanced system is expected to significantly enhance India’s border surveillance and aerial interception capabilities amid evolving regional security challenges.


Russia Ships Fourth S-400 System, India Boosts Border Air Defence

India's defence ‌acquisition council approved proposals ​worth ​2.38 trillion rupees ($25 ⁠billion) ​on Friday ​to buy medium transport aircraft, ​Russian ​S-400 surface-to-air missile ‌systems, ⁠and remotely piloted strike ​aircraft, ​the ⁠government said in ​a ​statement.


Indian Air Force Wants to Acquire More S-400 Air Defence Systems 

The Indian Air Force has for the first time showcased its Sudarshan S-400 long-range air defence missile system, claiming the longest-ever recorded kill in military history. The interception was achieved during Operation Sindoor, highlighting India’s advanced air defence capabilities, precision targeting, and strategic preparedness. This demonstration underscores the IAF’s commitment to modernisation and safeguarding national security with cutting-edge technology.

IAF Showcases S-400, Claims Longest Ever Kill 

S-500 reaches 600km range for hypersonic threats. S-400 covers 400km deployed in 100+ countries. S-300VM provides 200km reserve defence. Pantsir handles 40km point protection. Tor offers 30km tactical coverage. Buk reaches 45km altitude. Strela covers 15km portable defence.

From S-400 to S-500! Top 7 Russian air-defence systems compared

Russian President Vladimir Putin is set to hold high-level bilateral talks with Prime Minister Narendra Modi as India considers acquiring additional S-400 air-defence systems. The visit is expected to focus on defence cooperation, trade, energy partnerships, and regional security. Here’s what both sides aim to achieve and how the talks could shape India–Russia strategic ties.

Russian President to Hold Bilateral Talks With Indian PM Modi

India’s S-400 deal with Russia is back in focus after Operation Sindoor showed how strongly the system defended against major attacks. With new threats, coastline gaps and pressure from Western sanctions, India to buy more S-400 units.


India-Russia summit 2025: How the S-400 expansion deal could strengthen air defence systems

Effective air-defence systems provide the essential shield that protects populations, critical infrastructure, military facilities and armed forces from these threats. Without this shield, much of a nation’s strategic vulnerability remains exposed.

The new arms race: Why nations are investing heavily in missile-shield technology

India’s S-400 air defence system is capable of detecting, tracking, and intercepting targets at much greater distances, while Pakistani missile systems are generally believed to have an effective range of around 80 kilometres.

S-400 dominated in Operation Sindoor, leaving Pakistani fighter jets in the dust

India had signed a $5.43 billion deal with Russia in 2018 for five S-400 regiments. So far, three of them have been delivered and deployed along India’s borders with Pakistan and China.

S-400 ‘Sudarshan Chakra’ worked efficiently in India-Pakistan conflict, says Russian envoy; full S-400 delivery by 2026

Post the success of Russian-made S-400 in repelling aerial threats during the operation, discussions abut next-generation systems—especially the upcoming S-500 Prometheus have started. 

Operation Sindoor: How is Russia's S-500 different from the S-400 defence system?

Developed by Almaz-Antey, the system had been built to intercept not just advanced aerial threats including ballistic missiles, hypersonic projectiles, but even satellites in low Earth orbit.

Operation Sindoor: Why India could be interested in Russia's S-500 defence system? Know its power, range, strike capabilities and more

The S-400 is a powerful air defence system that India bought from Russia. It can detect, track, and destroy enemy aircraft, drones and missiles. India’s S-400 is like an invisible shield watching the skies and protecting the nation 24/7.

Operation Sindoor: How the S-400 defence system shields India from Pakistan’s missiles

The Indian Army and Air Force actively employed the Barak-8 surface-to-air missile system alongside S-400 Triumph systems, Akash missiles, and DRDO's anti-drone technologies to neutralise incoming threats.

Operation Sindoor: What is the 'Barak-8 Missile System' used by Indian Army to thwart Pakistan’s offensive

Operation Sindoor Pahalgam terror attack avenged: S-400 system ready for Pakistan. Deployable in five minutes Know about air defence. Trending | India News | South Asia

Ready in five minutes | Operation Sindoor: India's S-400 regiment aims for Pakistan... What you should know about air defence system

India recently put its S-400 air defence missile system, acquired from Russia, to test in a war-like scenario, and the results couldn't be more satisfying. In an exercise carried out by the Indian Air Force, the Sudarshan S-400 system 'shot down' 80 per cent of the 'enemy package'.

India's Sudarshan S-400 system 'shoots down' 80% 'enemies' in exercise, the rest forced to retreat

Indian and Russian officials will soon meet to discuss and decide about final delivery schedule for last two squadrons of Russian S-400 missile defence system. The Indian Air Force (IAF) has already operationalised three of these squadrons.

India, Russia to meet to discuss delivery of last S-400 missile defence system squadrons

Is China using the Taiwan playbook on India? Chinese fighter jets have come "too close" to the Indian border. India responded by scrambling its own jets. India also plans to deploy the S-400. Palki Sharma tells you more.

Gravitas: Chinese jets came "too close" to Indian borders

The US House of Representatives on Thursday passed a legislative amendment that approves an India-specific waiver for harsh CAATSA sanctions for its purchase of the S-400 missile defence system from Russia.

US House of Representatives approves an India-specific CAATSA waiver. Know all the details here

Amid the Ukraine war and sanctions, Russia has begun delivering the second squadron of S-400 advanced surface-to-air missile defence system to India, ahead of schedule, officials said.

Amid Ukraine war, Russia starts delivery of second S-400 missile system to India

The United States has once again voiced some serious concerns over India's purchase of the multi-billion dollar missile defense system from Russia. The United States has said that Russia selling the S-400 missile defense system to India has shined a spotlight on the destabilizing role that Moscow plays in the region.

US voices concerns over India's S-400 purchase from Russia

Russia has delivered to India all the contracted 70,000 AK-203 Kalashnikov assault rifles as envisaged under a contract signed late last summer between India and Kalashnikov.

Russia delivers all the contracted 70,000 AK-203 to India

With threat from China on its mind, India is looking to make the first unit of S-400 Triumf advanced surface-to-air missile defence system operational by this April.

Eye on China, India to make Russia-made S-400 missile defence system operational from April

India is looking to make the first unit of Russia-made S-400 missile defence system operational by this April. All the five units of the system will be deployed in strategic areas to ward off China threat, according to official sources. All these five units may become operational by next year.

India to make first unit of Russia-made S-400 missile defence system operational from April

With China in mind India has now begun work on deploying the S-400 triumph advanced surface-to-air missile defense system. With the first unit to be made operational in April, the S-400 system was bought from Russia at a cost of 5 billion dollar in October of 2018.

India: First S-400 unit to be ready by April, deployment keeping threats from China in mind

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