dear friends i am totally confused which teacher to join for essay.

sir razi abdi
sir manzoor mirza
sir shafat yar khan
sir agha mohsin
sir nadeem shahid
sir altaf ansari
sir tahir
everyone has his own view. i will come to lahore for two months.will appear next year.so friends give me sincere opinion which teacher to join?
one thing more which teacher will be near to jinnah library from above?
do reply thanks