Hello Ramakant,

Yes, certainly you can do an MBA in any niche after your B.Voc. The Eligibility criteria for pursuing an MBA is Graduate Degree. And BVoc is a proper Graduation Degree. So further if you are planning to do MBA you can do go for it.

However, you should be at least in your final year and have a valid CAT score clearing all the cutoffs. To know about the admission process of IIMs, you can visit the following link:

https://bschool.careers360.com/articles/iim-admission-criteria

Hope this information proves to be helpful and all the best.