B.Sc

Yes, you may get B.Sc. Life sciences in DU, but not in the top colleges. I guess in the very first or second cut-off list. But you can surely get it in some lower colleges.

Please check for your eligibility to apply for the JECA exam from the criteria mentioned at the link provided below:
https://www.shiksha.com/it-software/exams/wbjee-jeca
WBJEE JECA 2018 Summary:
JECA or Joint Entrance Examination for admissions to Master of Computer Applications MCA is conducted by Wes

Mostly admission to this programme is based on the percentage of 10+2. However, some institutes in the country offer the course based on the candidates performance in a relevant institute-specific entrance test. So you need to decide on the college in which you wish to apply and check there eligibil

UPSC demands you to know all the subjects from history to biology (both for preliminary and Mains). So I would advice do not choose your graduation stream only based on being UPSC aspirant. At the same time make sure you read news papers daily, specially The Hindu. The last three year paper trend ha

Well, that depends upon the college you wish to switch and whether your college allows migration to the other college. So, please check the same with your college once and the other college you wish to take admission in.

How to Get Admission in Bachelor of Technology (B.Tech) (Computer Science):
Getting into a course is generally through an entrance exam which is conducted either by a recognised board like CBSE or State level exams which are conducted by State-Sponsored Universities. There are various entrance exams

You can apply for this course once you complete your graduation. Basic eligibility for this course is that candidate must be a graduate from a recognized college/university. Admission is based on marks obtained in graduation. Interested candidates can apply online/offline with the required informati