BCA

Hi,
B.Ed or Bachelor of Education is a two year course that is pursued after graduation. B.Ed degree is undertaken by those students who wish to create a career in the line of teaching. B.Ed is a highly sought after degree as those graduates who wish to go in teaching line pursue this course.
B.Ed in Computer Science graduates are in high demand to teach Computers at various levels of school.
If you have a degree for Graduation from a recognized university - then yes you can apply for B.Ed in CS.
Eligibility: Graduate from a recognized University.

Hi,
When you study CS, there are various algorithms for which you have to have a good understanding of concepts like permutations and combinations, matrices, probability etc. that's why they ask for the subject. If they have asked for it then nothing can be done. You should have gone through the prospectus/ brochure of this course beforehand.

Both the course are completely different from each other, there is no comparison. Choose upon your interest. If you have interest in computer application and want to make your career in this field, then choose BCA. Otherwise, you can for B.Sc Chemistry. Good luck.

Comparing these two Graphic era is a good option. Good luck.

Yes, any Science graduate including BCA can apply for MCA lateral entry in Pune University. Good luck.

Please mention the college/university details.

If you have done BCA, then try for MCA (L. E). It saves your one year because first year of MCA has the same syllabus which you have studied in your BCA course. Good luck.

Yes, BCA course is designed in this way that a non-maths background as well as has no skills in computer application can also learn.
Good luck.

Check out the Shiksha link given below and find BCA colleges in Delhi as well as NCR.
https://www.shiksha.com/it-software/colleges/bca-colleges-Delhi-ncr
Good luck.