Hey!

Yes you can go for MBA (Master of Business Administration) after doing your graduation in veterinary.

Duration of MBA : 2 years.

There are many exams which are held at national level,state level and university level for admission to MBA degree.For pursuing MBA  at IIM (Indian Institute of Management) ,Ahmedabad you have to give Common Admission Test (CAT) exam which is a national level exam ,so prepare well.

You can visit this link for further information: https://www.google.co.in/amp/s/www.careers360.com/courses/mba-master-of-business-administration/amp?espv=1

All the best!!!