Hello. With your current percentile your probable rank is 174,758 - 194,758. Based on this rank your chances of getting a good college is tough.

I would recommend that you prepare well for the April session of Jee Mains 2019 and try to improve your percentile to get a good college. NTA will consider best of two while making the overall merit list.

The below link might help you for your preparation.

https://www.entrance360.com/knockout-jee-main-april/

Also you can check the below link for our Careers360 college predictor.

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

Hope this helps. Good luck!