India receives fourth S-400 Sudarshan squadron from Russia

The S-400 Sudarshan lThe S-400 air defence system is part of a 2018 contract under which India was to acquire five S-400 squadrons from Russia, three of which arrived two years ago, and the remaining two were delayed due to the ongoing Russia-Ukraine war.ong-range air defence system from Russia reached India on a ship and will be deployed in the operational area very soon, defence sources informed.