Hello Prudvi,

 With a 90 percentile in JEE mains your rank would be around 112081 and with this rank it would not be possible for you to get into a IIIT. However you might get a seat in following Engineering colleges:

• Narula Institute Of Technology
• UIET - University Institute of Engineering and Technology, Panjab University
• Techno India-Salt Lake
• Thapar Institute of Engineering and Technology
• Haldia Institute Of Technology

You can find out more colleges based on your JEE mains performance by visiting the following JEE mains college predictor tool:

https://engineering.careers360.com/jee-main-college-predictor

All the best