Four Indian Air Force fighter pilots are currently undergoing training in Moscow preparing to be potential candidates for the Gaganyaan project.
The training involves aircraft development, biomedical training, physical exercises, and protocol for an emergency landing.
Glavkosmos will lend ISRO support with astronaut selection, medical tests for spaceflight & the spaceflight training itself.
ISRO is also working on a framework to find 30 astronauts, out of which the final 3 will be chosen.
Kornienko has 516 days in space and two 12+ hour spacewalks to his name & extraterrestrial career.
The astronaut, who is yet to be identified, may travel to the ISS for a short training mission.