India has signed the deal for S-400 missile system with Russia among other deals, as Prime Minister Narendra Modi and Russian President Vladimir Putin finalised the deal expected to give boost to the Indian defence system. Russian President Vladimir Putin is in India as part of the 19th India-Russia Annual Bilateral Summit. According to reports, India is also planning on buying 4 Krivak-class frigates from Russia, two of which will be built in India, which will be a $2.5 billion deal.
The S-400 Triumf System missile is an anti-aircraft weapon system developed in the 1990s by Russia's Almaz Central Design Bureau as an upgrade of the S-300 family. The S-400 uses four missiles to fill its performance envelope: the very-long-range 40N6 (400 km), the long-range 48N6 (250 km), the medium-range 9M96E2 (120 km) and the short-range 9M96E (40 km) and has been described as one of the best air-defence systems.
Experts are of the opinion that the S-400 surface-to-air missile system are the most advanced in Russia's arsenal. As per reports, the S-400 air defence system deal has cost India above $5 billion. India, Russia to Sign Deal For S400 Missile System on Vladimir Putin's Visit to New Delhi.
On Thursday, the US had urged its allies to forgo transactions with Russia, warning that the S-400 missile defence system that India intends to buy would be a "focus area" for it to implement punitive sanctions against a nation undertaking "significant" business deals with the Russians. S-400 Deal with Russia Focus Area for Sanctions: Warns US Ahead of Vladimir Putin's Visit to India.
The US administration is required under a domestic law, Countering America's Adversaries through Sanctions Act or CAATSA to impose sanctions on any country that has “significant transactions” with Iran, North Korea or Russia.