Hello Aspirant,

As you have got 81.82 percentile in JEE mains , your rank will be between 200000. It is the expected rank. It will be difficult for you to get a seat in jecrc foundation. As the cutoff for jecrc foundation will not be more than 150000. So, you have very low chances. Also, getting a seat will depend on many factors .

Marks vs ranks varies every year depending upon many factors such as difficulty level of questions, no of students appear for the exam, no of students want to get the the same branch.

You can check out rank vs marks vs percentile from the below link:

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Use this JEE college predictor to get list of other colleges based on your score:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

Visit this page to get more information about previous year's college wise, branch wise cutoff:

https://engineering.careers360.com/articles/jee-main-cutoff

Hope this information helps you.

Best wishes!