he may be able to do it correctly ONLY
if the vehicle is resting at balanced floor over jack stands there is a suzuki FX restoration thread check that out how the roof & pillars were supported to transplant the roof. It will help you guide, the denter working over your car
friday before namaz i passed by your car purposely and it is resting at make shift place in centre belt of double road. That is a BIG NO place for transplant of pillar & roof surgery.