dear aspirant,

you can write MBA entrance exam but the thing is you should have written the arrear paper already so that if you clear in MBA entrance, then only you can proceed for further or else it is difficult to proceed.

hope it helped.

Hii,

No. Master of Business is a Post graduation degree. The Basic eligibility criteria to do post Graduation is one must have passed Under graduation  in the relevant discipline or equivalent degree. Speaking about the MBA course , In some Colleges Graduation, Intermediate and 10th marks are very important in getting the admission.