There is no specific material. I mean it can be anything but the question's types remain same every year.
BIO DATA FORM FILL UP(GUIDED FILL UP IN 15-20 MINUTES)

All personal information,order in family,hobbies in childhood,hobbies in adulthood,all degrees complete detail,most memorable event of life,permanent address etc.

VERBAL INTELLIGENCE TEST(80 QUESTIONS 30 MINUTES)

Complete the series,calculations,pick the odd one etc.

NON VERBAL INTELLIGENCE TEST (30 MINUTES 70 QUESTIONS)

complete the figures by multiple options


SENTENCE COMPLETION( 5 MINUTES FOR EACH 25 QUESTIONS IN EACH)

2 English lists
2 Urdu lists

BREAK OF15 MINUTES

PERSONALITY TEST

50 WORDS FOR SENTENCES(10 SECOND FOR EACH WORD)

3 PICTURE STORIES(AVERAGE 3 MINUTES FOR EACH)

2 POINTER STORIES (AVERAGE 3-4 MINUTES)
introductory line was given

AND VERY EXCLUSIVE 1 WAS: DRAW A PICTURE OF ANY PERSON AND DESCRIBE IT(4+ MINUTES)

YOUR FRIENDS OPINION ABOUT YOU(2-3 MINUTES)

YOUR OPPONENTS OPINION ABOUT YOU(2-3 MINUTES)