Hey !

Yes , one sitting degree students are also eligible for MBA , provided that you meet the below mentioned eligibility criteria:

You must hold a Bachelor's Degree or equivalent qualification of any of the Universities incorporated by an act of the central or state legislatures in India or other educational institutions established by an act of Parliament or declared to be deemed as a University under section 3 of UGC Act, 1956, or possess an equivalent qualification recognized by the Ministry of HRD, Government of India/AIU. This degree must entail a minimum of three years of education (10+2+3 system) after completing higher secondary schooling (Class 12 or equivalent).

Candidates of B.Sc. / B.A. / B. Com. Or other course Honours/Pass must have a minimum of 50% marks in aggregate in their Honours/Pass subject. Candidates of other graduate courses must have a minimum 50% marks in aggregate in graduation, marks to be computed as average of marks obtained in ALL subjects in which candidate has appeared (excluding optional subjects). 

You need to give entrance exam and score good percentile inorder to get admission in best MBA college.

Candidates are selected on the basis of their score in Management Aptitude Test (MAT/XAT/CAT) followed by Group Discussion and Personal Interview.

To know more , follow the given link:

https://bschool.careers360.com/articles/cat-eligibility-criteria

Hope it helps!