hi sangeetha reddy ,

being in 20 k rank is good ,you're having chance to get admission in nit's(not top one's).even though you get top one's,then you have to  compromise with branches.but you'll  get any newer NIT's in  your desired branch.please use these links to get the details of cut-off and prediction of college for your rank.

• https://engineering.careers360.com/tags/nits-branch-wise-cutoff
• https://engineering.careers360.com/articles/jee-main-college-predictor

all the best!

note:if any links available,copy and paste it in the url bar of your browser.

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)