With the percentile of 88.9 in JEE Main, you can expect your All India Rank to be around 99000-101000. With this rank, you have negligible chances of getting a NIT through open quota (AIR), but since you are from SC category, you may get a seat based on your category rank.

To predict the colleges that you may get with this percentile, kindly use the college predictor through the link given below: