CBSE 12th

It is hard to get admission in Mithibai College with such a percentage but still, you can go for a try.

Hello,
You should visit below link for check eligibility NIT College. https://www.shikasha.com/university/nit-trichy-national-institute-of-technology-Tiruchirappalli-nitt-2996/admission
And search for other college you can visit this link also. https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
Thanks.

Hi,
There are many streams offered in engineering
Computer Science engineering
Civil engineering
B.Arch
And many more streams.

Yes, you are fully eligible for the course. Even Delhi University offer this course. Admission in Delhi University is on the basis of your class 12th marks. For more information regarding admission process visit Delhi University website.

Yes, you will get admission in Delhi University. You have chances to get admit in north campus. If you belong to OBC category you will get admission in north campus. You should wait you will surely get admission in Delhi university.
For more information regarding admission process visit Delhi university website.

According to your percentage, there is chance to get admission.

A student must obtain 50% marks in PCM+ English in class 12th with OBC +PWD to have 45% marks. This is what official site shows. I am sure if 45% is for OBC, then it should be same for other reserved categories as well. I feel you need not worry. Best wishes.

Yes, you can take admission in DU in economics honor without mathematics. Your score should be high. You are required to take care your studies. Because lot of mathematical and statistical calculation will be in your studies. All the best. Best of luck.