Why ?I doubt there is much we can do about it, Jeff can compete against the likes of Tejas and maybe SU-30 to a certain degree. Rafale is a much more advanced fighter and Jeff would be cannon fodder against it. Good thing, india doesnt have many and we prolly will never fight a war against them.
Our only hope is the J20 - lets hope the chinese have a few tricks up their sleeve.
Why don't you learn calculus and take up DSP ( Digital Signal Processing).