Afghanistan, Sept. 3 -- India and Russia are negotiating expanded S-400 missile deliveries. Despite past delays, final units are expected by 2027, reinforcing New Delhi's defense against regional security threats.

Russia and India are holding negotiations on expanding deliveries of the S-400 surface-to-air missile systems, according to Dmitry Shugaev, head of Russia's defense cooperation agency.

Shugaev said India already possesses Russian S-400 units, but discussions are underway for additional supplies. The talks reflect the two countries' ongoing defense partnership despite global geopolitical tensions.

India had signed a $5.5 billion contract in 2018 for five S-400 systems to counter regional threats, particularly from China. Deliver...