Hi, 

You have very good percentile  apart from JEE main , its ok you did your best. But there are good rwputed private universities  such as VIT , SRM, BIT which accept based on JEE Main and their own entrance exams. Some universities where you can try for CSE are Thapar university,  Punjab university, UPES, Manipal university.  Go through these colleges website and apply for entrance exam.  All the best to get your course you desired. 

Hello,

At 84.7 percentile and 188452 rank you might get a seat in one of the following colleges:

• JIIT - Jaypee Institute of Information Technology
• Guru Jambheshwar University of science and Technology , Hisar
• University Institute of Engineering and Technology, Rohtak
• Bengal College Of Engineering & Technology

Apart from these you might get other colleges based on your rank, visit the following link to find out:

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

All the best.