Putin offers India unrestricted Su-57 tech access over restricted Su-57E models to revive the FGFA partnership and address immediate IAF fighter deficits.
India and to a lesser extent Russia inherently want to have some kind of partnership as a hedge against China which they both border from opposite sides but are weaker than. Similar to how China has a decent relationship and some military partnerships with Pakistan as a hedge against India. Since the Russian economy is having some issues, also anything that can boost exports and bring in money for their military industry without cutting that much into what they want to use in Ukraine is highly desirable.
India and to a lesser extent Russia inherently want to have some kind of partnership as a hedge against China which they both border from opposite sides but are weaker than. Similar to how China has a decent relationship and some military partnerships with Pakistan as a hedge against India. Since the Russian economy is having some issues, also anything that can boost exports and bring in money for their military industry without cutting that much into what they want to use in Ukraine is highly desirable.