Science

Yes, you can get admission. I am sharing some if the job oriented courses you can choose according to your interest.
PG Diploma in Preventive & Promotive Healthcare. This is one of the best job oriented diploma course.
Diploma in Paithani Handicraft & Modern Garments.
Yuvodaya.
Diploma in Archives Keeping
.Certification in Finance and Accounts.
Diploma in Education Technology.
Bachelor of Tourism Studies.
PG Diploma in Instructional Design.
Good luck.

You can prepare:
1. Probability
2. Permutation and combinations
3. Vector and 3D
4. And basic concepts of class 10th and 12th.

If you are free after your college, then you can do computer courses and learn computer programming languages, join online skill development programmes and much more.

If you are very weak in English, start from beginning learning basics of English. Basic Rules and Grammar of English. If you are aware of these things then it's good, then start watching English movies, shows, etc. It will create an environment for you. Start English conversations with your friends and family if they are supportive. Try speaking English in front of mirror, try speaking on the different essay, speech topics. Try writing essays and speeches in English. This will help you in improving your English.

No, DTU does not offer B.Sc. They offer only
1. B.Tech
2. B. design
3. BBA
4. B.A honours economics.
Admission to B.Tech based on the JEE marks and for BBA and B.A. Honours eco is based on entrance exam.