With the rank you're mentioning you can check out these colleges accepting OJEE scores for MBA 

• Regional college of Management 
• School of Management, Centurion University of Technology and Management 
• College of Engineering Bhubaneswar 
• Krupajal Business School 
• Bhavan Center for communication and Management 

These are a few colleges you can expect but if you are looking for 100% placements then I'm afraid none of the colleges accepting OJEE scores for MBA gives you that. You can get a maximum of 20-30% placements from there. 

But it's always better to have backups. You can appear for other management entrance exams on national level to get a good college. 

Good luck