A nearly Rs 400 billion deal to procure S-400 Triumf air defence missile systems from Russia is yet to be concluded mainly due to differences over price which India would look to sort out during Defence Minister Nirmala Sitharaman's upcoming visit to Moscow, official sources said.
India wants to procure the long-range missile systems to tighten its air defence mechanism, particularly when China has been ramping up its military manoeuvring along the nearly 4,000 km Sino-India border.
In 2016, India and Russia had signed an agreement on ‘Triumf’ interceptor-based missile system which can destroy incoming hostile aircraft, missiles and even