HI,
I have appeared last month for Allahabad Bank PO exam and here I am mentioning some of the details which was asked.

1) Aptitude

a) Basically the question are from numerical ability and many questions were asked on number system
b) Question were also on HCF and LCM
c) Some question were on logical reasoning

2) English

a) 10 Synonyms
b) Reading Comprehension
c) Para zumble

3) Computer Basic