Institute of Rural Management, Anand

The choice totally depends upon your specialization of MBA course, whether you want marketing domain, supply chain management domain, finance domain, operations domain, etc.
IRMA is better in terms of course it offers.
IRMA offers Post Graduate Diploma in Rural Management and is among the best institutes in this field in India.
So, if you have an inclination towards rural management then go for IRMA.
On the other hand, Jaipuria Institute of Management is a decent college with decent placements and offers a variety of courses. They offer specializations like PGDM in financial services, PGDM in retail management, PGDM in service management and PGDM in marketing.
Rest are the secondary factors like location, infrastructure,faculty, campus life, etc.
So, depending upon the above parameters, you can decide which college you want to choose.

Quantitative Ability
Quantative availability: The exam more closely resembles a bank PO exam then MBA exam. For quantitative ability, the best preparation to take Bank PO papers. Check for Pratiyogita Darpan under Google books, there are many previous issues. Take a copy of only quantitative section and solve it by setting time because unlike other exams the time is very limited.
English Comprehension
This is a relatively simple section as it consists of different types of questions like reading, comprehension, para, jumbling, sentence correction, and fill in the blanks. You should be solving previous year papers and mock test papers to improve your skills in English.
issues of social concern.
This is the toughest section in the paper. The questions are mainly around agriculture, environment, education, as our organization heads current affairs, NGOs. Also, development programmes are the best way to prepare for this section. Read a newspaper daily especially Hindu editorials. You should also practice online test mock test papers of GK.
Hope it helps.