GMAT

Your best performance amongst the score details provided will be taken into consideration

You can download the same from here:
http://www.gmatsyllabus.com/
Also, buy books and practice some papers before giving exam as it is worth a lot of money.
All the best!

To get admission in foreign university, you need to write language proficiency exam, TOFEL.

Around 700-730. Varies every year.

Hi Aarthi,
Ideally the application process should start at least a year ahead of the intake you desire to enroll into. Which country are you targeting?

Hello Bishal.Yes, first of all to your question.secondly that there are colleges which conducts their own entrance examinations for the selection process.So if you have not given any of the following exams mentioned above or is not interested to give then it is totally alright you can chunk it either ways.GOOD LUCK:)

Hi,
Kindly, check MBA.com website to know about GMAT dates and schedule. To suggest you a food college you must specify your education background, what you want to study and also where.

KIAMS do profile based selection where they consider your academic records, competitive exam scores, performance in our interview process etc. With the cumulative score of all these KIAMS offers Admission.So if you have 50 percentile and above with good academic records you can expect a call from KIAMS.

The course for GMAT and CAT is not significantly different. CAT is primarily focused on mathematics and English. GMAT focuses on critical reasoning as well. Mathematics for CAT is going to be much difficult than GMAT mathematics.
Reading section in CAT and GMAT are quite similar. Then, there is a sentence correction section in GMAT, which is different than CAT. Critical reasoning questions for GMAT are not at all covered in CAT. Also, GMAT paper is more time intensive as compared to CAT.

Yes, if you check the admission requirements pages of these universities, it clearly states the requirements. Though for NUS it is not recommended applicants with a GMAT score will be preferred.