Hey,

You have a pretty good chance of getting a high ranked college with such a good rank. You may use the below link to have a fair idea of which college you'll get.

https://www.shiksha.com/b-tech/resources/upsee-college-predictor

For admission, you need to apply for counselling You may check the below link for important dates regarding counselling.

https://collegedunia.com/exams/upsee/counselling