S-400 Air Defence system to be soon tested in India by the IAF

S-400 Air Defence system to be soon tested in India by the IAF
India and Russia are in talks for the delivery of the remaining S-400 systems by the end of this year.
Russia has already delivered 3 squadrons, while the remaining 2 are stuck due to payment issues caused by US sanctions.
India has already conducted some tests of S-400 in Russia.