If you are proposing a cheap almost 4th gen non stealthy platform just because opponent has a stealthy plane, you are lost. First of all, pakistan even if it inducts it will be not before 2030. Then we have great multilayered airdefense systems coming in both north and west both in s400 ,barak and others and our own s400 is in developments. 3rd, wars cant be fought with imported weapons. So trust the military planners, we are mere spectators, they want to fight with indigenous planers.lets focus on those.