This is not to say I agree with Yusuf's analogy that we don't need MWF before development of AMCA.
ADA has stated TEJAS MK1,MK1A, MK2, STEALTH AMCA will all hv the same wing loading SPEC i.e ,"wing area/ take off clean".
They hv already mastered , the
control laws CLAWS &Relaxed Static...