Hey Shivang, 

Nowadays almost all b-schools and universities provide MBA admissions by entrance exams namely CAT,MAT,GMAT and XAT.But as per your question there are some colleges providing MBA admissions directly without any entrance exam.

They are as follows:

1) Bridge School of Management 

2)Amity Global-B School

3)IIBS Bangalore 

4)Birla Global University 

5)GIBS

6)School of Management,GD Goenka

7)Vyasa Business School

8)Vanguard Business School

9)School of Management and Entrepreneurship

Hope this helps! 

Thank you.