to add on to the above the basic JF-17 Design was already ready 21 years ago at Chengdu, All Pakistan has done is upgrade the Electronics and Engine and call it the Thunder.
Still a remarkable achievement building the TATA Nano of Warplanes.
For...
With S400 the Bandar will be restricted to the West of the Indus only, east of the Indus is LCA territory!
Everything in the Green Circle will be shot down ;)