CBSE 12th

Yes, you can get into any college.

You can visit APC Book store for same, you will easily get NCERT Books for all subjects here. They offer wide range of books in every domain. I would recommend you take help books from APC Books. Visit this link We wrap knowledge between the covers.

Well that is a big win for all of us don't you think. I am glad that you are able to pass that and I am giving all the kudos to you since you gave a lot of effort for this one and I think you have given all you got to make sure that there would be no mistakes for all of us at this point in time since you got it all up and running and getting the job done is a not an easy FEAT for you.

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

The best out of 4 subject's marks can be calculated by taking your marks in the best 4 subjects of yours and adding them up. After that, divide the sum by 320 and multiply by 100% to get your percentage.

IT depends on which stream you belong to and what are your preferences for the subjects you want to pursue as the cutoffs for DU are really high. Complementing your efforts would be some certificates of achievements if you have any as they provide an impetus to your candidature.

It depends on the merit list as every year merit list changes. So be aware to check the merit list. As you have scored good marks then you might get admission but it depends on the merit list. Best of luck.