Moscow: Russian Deputy Prime Minister Yuri Borisov has indicated that India could be the first country to buy the most advanced S-500 'Promity' aircraft-piercing missile system. Asked if India would be the first country to buy the Russian-made S-500, Borisov replied to the media on Monday, "There is no doubt that once we take this system to our soldiers, India will be at the top of the list. If he wishes to buy these advanced weapons. ' The S-500 'Promity' aircraft piercing missile system is the most advanced Russian mobile service for the air system and was put into service earlier this year. In 2019, Turkish President Resep Taeep Erdogan expressed interest in buying S-500 units. The Russian Deputy Prime Minister's remarks come at a time when India has started supplying its long-range S-400 ground-to-air missile defence system. The $5.5 billion deal for five S-400 systems had become a stumbling block in the growing US-India partnership. There was also a risk of facing countering America's Adversaries through Sections Act (CAATSA) restrictions. The CAATSA was passed in the US in 2017 over Russia's alleged participation in the 2016 US presidential elections. 'Ajay Mishra must go to jail...', Rahul Gandhi lashes out at Centre over Lakhimpur violence Justice4SSR: Candle march at Delhi’s Jantar Mantar to get justice for Sushant Singh Rajput Kerala Govt announces financial help, job to Coonoor victim's wife