We have designs for 4 man crew (Arjun mK1A, Mk2), 3 man crew + manned turret (old FMBT), 3 man crew + unmanned turret (new FMBT) and 2 man crew (new design revealed by DRDO scientists) tanks.
Problem is Army has not firmed its requirements for the last 10 years. Earlier they wanted 3 man crew +...