He's reporting chatter from Russian forums. Apparently 2 yrs for trials , then 2 yrs of estimated negotiations following which a deal may get inked. MLU & upgrade to be done in India after an initial test lot undergoes the same in Russia.
So as I speculated engines will be replaced with AL 41 or S117 with 144kn power. It will make su30mki supercruise....
All too speculative at this stage. But hey it's 2022 .
We've already some much optimism overflowing the brim out here irrespective of what it is in real life . Who needs another helping of this heady brew ?!