Your headlamp adjuster can 'move' the parabola in either of the 4 directions: Up, Down, Left and Right.
It can't "rotate" the parabola, neither can it be rotated in any other way. Your projectors have to be rotated, andhay ko cut off plate he dikha detay to kuch seedhay lagata, ab toh tabahi phair dee hai kaam ki 
Follow @mominhaq's thread for step to step guidance.