JEE

You can use this JEE Mains college predictor tool
to know the available shortlisted colleges based on your marks.
You will get an idea which college has to be your top priority.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

You can use this JEE Mains college predictor tool to know the available shortlisted colleges based on your marks.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

You can use JEE Mains college predictor for more insights about the shortlisted colleges based on your rank.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

You can use JEE Mains college predictor for more insights about the shortlisted colleges based on your rank.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

You can use JEE Mains college predictor for more insights about the shortlisted colleges based on your rank.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

No board roll no does not create any problem it is just a way to check your 12th result because to check either student in top 20 percentile or having 75% marks or not.
So don't worry it is just of seak of knowledge.

You have to got 75% marks to be in top 20% percentile of college. But nevertheless, you can get admission in NIT-Raipur. But firstly, there is the first requirement. So, you can go for some integrated course in branch selection and then, the internal sliding, you can get the branch as per the requirement.

Yes, you have a good chance to get admitted in PICT CS.

Your JEE Advance AIR rank must be under 110 in order to get admission in computer science engineering 4 year bachelor degree at IIT Delhi. Last year closing rank for CSE was 115 (general category)

If you are from the science stream, then you can appear for JEE.