Can I get IGDTUW, B.Tech with 88% in JEE Main?
General, OBC, SC, ST, or PwD categories have different cutoff ranks for admission.
In any case, with a 88% score in JEE Fundamental, you have areas of strength for an of getting into IGDTUW for a few B.Tech programs.
A 88% score in JEE Principal ordinarily means a percentile somewhere in the range of 95 and 98, which is an extremely serious score.
If you belong to OBC, SC, ST, or PwD categories, the cutoff ranks for you will be significantly lower, further increasing your chances of admission.