India-US ties seem to have hit a rough patch after making great strides in the last few years.
At the heart of the issues are the two country's contrasting relationship with Russia and Iran. While US has imposed sanctions on both the countries, India has suggested that it will continue dealing with both the nations.
The US on Monday expressed concerns about India's planned Rs 400 billion deal to buy the sophisticated, long-range S-400 air defence system from Russia.
“There is a lot of concern in the US, in both the administration and the Congress, over the S-400 system. There

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