If your percentile in Joint Entrance Examination, Main 2022 is 99.31, then your rank will be somewhere around 7,000 and with this rank, you'll easily secure an admission in Indian Institute of Information Technology Bangalore (IIITB) in the Electronics and Communication or ECE branch.

According to the cut-off of 2021, the closing rank for CSE and ECE are as follows:
CSE: 6000
ECE: 7200

So, you have all the chances to get admission in IIITB.
Hope I have answered your question. All the best!