hello.

As per Last year trend At 45 marks your Percentile will lie between 67-69% and Your Rank will lie between 278,945 - 308,945.

According to your score you will not Clear for JEE advance exam..

You can Predict colleges according to your score by Following the below link.

https://engineering.careers360.com/jee-main-college-predictor?icn=jee-main-college-predictor&ici=jee-main_rp-result