Hello V Thejaswini,           

As you have mentioned above that you have scored 209135 and 81.95 percentile, there is a slightly fair possibility that you would be eligible to give JEE Advanced.

You can check your rank using our rank Predictor.

There are still plenty of good colleges that you can apply for and pursue the subject of your dreams.

And for the further details, if you have any query you can even visit our website, where there is a detailed description which would be quite helpful for you

https://engineering.careers360.com/colleges/ranking

https://engineering.careers360.com/jee-main-rank-predictor?icn=jee-main-rp-landing-page&ici=prediction-section_c360-home