hello chinmay,

you'll need 200+ as jee main score to get CS branch in DTU and you've to have above 90% in your board examination.

for NIST,you've to score 220+ to get admission in CS branch,you can refer these links for prediction of jee main 2019.

https://engineering.careers360.com/jee-main-college-predictor

https://engineering.careers360.com/jee-main-rank-predictor

I Hope this information will be useful to you.

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

Thank you!!!:)