India’s next fighter decision is usually described as a contest between two aircraft. On one side is the Rafale F4 pathway: an upgraded French 4.5-generation combat system built around a fighter family the Indian Air Force already operates in earlier Rafale standards, and which India has also selected in naval form for the Indian Navy. On the other hand is Russia’s Su-57E, marketed as a fifth-generation stealth fighter and publicly offered to India with the possibility of dee

The Indian armed forces are the largest volunteer military forces in the world. They are composed of over 1.4 million active serving...