Delhi University (DU)

Your best of four subjects should include one language and other major subjects.

Yes, you may apply for the same. Only condition is, you have to clear the entrance test conducted for the same. That matters more. Prepare for the same.

https://www.shiksha.com/humanities-social-sciences/articles/du-admissions-2016-eca-sports-quota-eligibility-admission-procedure-blogId-12791
You can visit this site for detailed information.

DU doesn't provide BBA course but you can look at IP University.

Select the MBA college and go and get the information about the course and then decide what you can do.

Make sure you score well in CBSE boards and the rest depends on the cut-off of the respective course.

It is DTU ( Delhi technological university) which offers B.Tech program.

DU LLB Entrance Exam Application Form 2018 Notification is available online on the official website of the University of Delhi. The DU LLB entrance exam application form is expected to be released by the Delhi University on May 31, 2018. Candidates who wish to pursue three-year LL.B. Programme at Delhi University's Faculty of Law need to appear for and clear DU LLB entrance
exam 2018. The written exam will be offline, but the form has to be filled in an only online mode so do not send the application or any document to the university, otherwise, your application and candidature will be rejected.