Hello,

The eligibility for an MBA is minimum aggregate score of 50% and 45% in the case of the candidate belonging to reserved categories in their graduation or degree exam from a recognized university is eligible for an MBA degree.  

But, You can pursue an Executive MBA especially for working professionals, For being eligible you would require A valid scorecard of GMAT/CAT and At least 3-5 years of professional experience.

Other than that, The colleges which accept admission below 50% are;

Entrepreneurship Development Institute of India 

Asian School of Business Management, Bhubaneswar

New Delhi Institute of Management

Birla Institute of Management Technology, Greater Noida

Lovely Professional University

CMS Business School, Bangalore

Accurate Institute of Management And Technology, Greater Noida

Alliance Business Academy.

Hope this helps, All the best!