India, Aug. 6 -- Amid rift in ties between US and India over Russian oil imports, National Security Adviser Ajit Doval arrived in Moscow on Tuesday for a visit to strengthen bilateral relations.

External Affairs Minister S Jaishankar is also expected to visit Moscow later in the month.

Although the visit had been scheduled in advance, it now has renewed urgency owing to US President Donald Trump's comments regarding India's relationship with Russia.

"India has not been a good trading partner, because they do a lot of business with us, but we don't do business with them. So we settled on 25 percent but I think I'm going to raise that very substantially over the next 24 hours, because they're buying Russian oil," he told CNBC in a televi...