hi,

ip university bca exam syllabus is ,

English Language & Comprehension- (25 questions)

Mathematics- (45 questions)

Computer Awareness- (45 questions)

General Knowledge- IT and Science Related- (35 questions).

for english  any good books of grammer and  comprehension is enough, for gk and current affairs you can study from lucent gk or manorama year book or arihants gk books are good.

some of the others books you should follow,

quantitative aptitude by rs agarwal,

Computer Fundamental and Awareness by Mini Goyal and Shweta Rani