Why in news?
Russia has started supplying S-400 air defence system to India and the first division will be delivered by the end of 2021.
What is the status of the deal?
The rupee-rouble arrangement means that the payment for S -400 will be done by India in Indian Rupees (INR) equivalent to the value of the weapon system in roubles, the currency of the Russian Federation.
What is the S-400 system?
Why is the S-400 important for India?
Countries such as Algeria, Belarus, China, Turkey, etc. have already procured the S-400 defence system.
Why is the US upset with it?
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