- India to buy 5 missiles priced at one billion dollars each
- Most advanced surface-to-air missile system
- Can intercept incoming aircraft and missiles at range of 400 kms
Kremlin aide Yuri Ushakov said the agreement would be signed at the BRICS summit in Goa, where Prime Minister Narendra Modi will meet separately with President Vladimir Putin too.
BRICS groups together China, Russia, Brazil India and South Africa.
The S-400 anti-aircraft missiles were cleared for purchase in December by the Defence Ministry.
Considered the most advanced surface-to-air missile system in the world, the Russian S-400 system's missiles can intercept incoming aircraft and missiles at a range of 400 kilometers. The sensitive radars of the system are thought to be able to detect even stealth aircraft which present a very small radar cross-section and are often impossible for other systems to track.
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