If you can get top IIM's or even IIM L or Kozikode then you are not "less" talented. You just have to maintain your cgpa and the exta curricular activities.
Placements in top IIM's doesn't depend upon only one aspects. In fact it covers all your previous records. I am not saying that only CGPA play their parts but overall you willl be judged like, the Undergrad college, Performance in that course, any position of responsibility in your under grad, Work experience(if any), field of your previous work.
All the best !!
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