Science

Hi Karan,
Firstly, It depends upon the cutoff marks for your shortlisting in these branches. To get an idea, please go through this link:
http://www.bitsadmission.com/cutoffscores2017.aspx
For the understanding of the difference, between the two branches, both have origin in Electrical Engineering. But

Hi Virender,
Yes, the M.Sc Degree of BITS Pilani is accredited by UGC and after pursuing this you are eligible to write the NET exam. However, the duration of the course is 5 years.
All the best.

Yes, you can get admission. According to previous year cutoff, you will get admission in Dyal Singh College. For more information regarding cutoff and admission process, visit the DU website.

Improvement depends on your current status. Whether you are a beginner or average or good enough, it depends on that. But there is nothing to get scared of, because you are not expected to be a Pandit in mathematics, you just have to clear cut off with some good marks, unless you have a goal to be a

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 Keepi

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