IIM Ahmedabad - Indian Institute of Management

Yes, you can. Please appear for PGPM entrance exams like CAT/XAT/IIFT/NMAT. By qualifying those and subsequent interviews, you can get admission to IIMs/XLRI/IIFT/NMIMS and likes to pursue your PGPM.

Since MBA is a masters degree, a bachelors degree is a prerequisite for studying at IIMs. Other than that you need to clear the bare minimum cutoffs of colleges which vary from institute to institute. Scores for IIMs vary from year to year. But a score above 97 percentile will get you calls from atleast new IIM's. The higher the percentile the better.
All the best!

Yes, of course. It is not necessary to have work experience to get admission into MBA colleges. There are many aspirants who apply for MBA colleges without work experience. Weightage of work experience is low at most IIMs.Good luck!

Yes, of-course. All you need to do is prepare well for CAT and at the same time do not screw your academics. IIM-A shortlists people with exceptional CAT score and stellar academics throughout. Just keep that in mind and you can make it to IIM-A too!
All the best!

No, there are no cut-offs as such, but they do take into consideration 10th/12th marks while shortlisting people based on their CVs.

No, IIMs only provide Diploma in General Management.

85+ percentile will help.

I presume you are asking about DA category cut-offs. To get admitted at IIM A, you need to secure 87 percentile above in DA category.

You need to put some additional effort for VA section. For other sections i would suggest you to go through the basics in couple of months and start practicing questions. In case of VA, the basics of English, tenses, usage can be learnt from basic reading material provided by CAT prep books. After than i would suggest you to practice RC from readtheory.org where you can build you reading comprehension skills with time. After gaining a bare threshold, start giving mocks, analyze them and repeat till the D-Day.
All the best

Assuming you have average acads, you can expect calls from baby IIMs. Calls from new IIMs would be unlikely since you have less than 96.5 percentile.
All the best!