Hello sankeerthana,
For securing a rank below 1000 in Jee mains you need to get around 330 marks,as your ipe marks are also good.
For college predictions the following link will be helpful for you.
Hope you find this helpful.
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
https://learn.careers360.com/knockout-jee-main-april/
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