Hi Megha! As far as NMAT is concerned, SRM University and VIT University accept NMAT by GMAC scores, which are located in Chennai. Other institutes mentioned in the previous answer do not accept NMAT scores. Anyway, during application, you would have to option to enter colleges of your preference, so you can choose the B-schools from the official list. 

• Great lakes Chennai
  
• Department of Management studies Madras
  
• IIm Trichy
  
• Rajalakshmi engineering college
  
• IIkM business school
  
• SRM University.