Hey Anurag,
Since EWS category is introduced this year for the first time in JEE Advanced ranks, hence it is a bit difficult to predict it's cutoff. However, with 108 marks, it seems a little less chance that you would qualify and get any IIT. But don't worry, wait for the official cutoff marks and rank and then you could get a better idea of which college you would get.
All the best!

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