Poor UG score

I’m an NIT 3rd year UG student. My CG revolves round the figure 6.8. Xth- 91%, XII-80.6%.What are my chances into any IIM. (Basically IIM-C) ?

I'm an NIT 3rd year UG student. My CG revolves round the figure 6.8. Xth- 91%, XII-80.6%.

What are my chances into any IIM. (Basically IIM-C) ?