B.Sc

Go through the link below for details:
https://www.shiksha.com/b-tech/colleges/b-tech-in-food-technology-colleges-india-3

Please refer to the link provided below for an exhaustive list of colleges which offer courses in B.Sc in Mumbai. You can use the filters on the web page to navigate to a college of your choice. Additionally, you can also download their brochure which contains details regarding admissions, course eligibility, etc.
https://www.shiksha.com/science/colleges/b-sc-colleges-mumbai-all

Subjects of study:
1) Fundamentals of IT and OS
2) Basics of electronics and Micro Processor
3) PC assembling and troubleshooting
4) Programming in C
5) Communication and soft skills
6) Computer Networks
7) Windows 2003 server administration
8) Linux administration
9) Database administration

Some popular books for competitive exams to prepare for B.Sc entrance exams are as follows:
1) Mathematics for Degree Students for B.Sc.
by Mittal P.K. (Author)
2) Physics for Degree Students B.Sc. First Year
by Arora C.L. (Author), Hemne P.S. (Author)
3) New College Calculus For B.A./B.Sc. (1st Semester)
by M.L. Jain (Author), Dr. J.S. Sikka (Author), Satbir Mehla (Author).

Hi Shristi,
It depends on the college. Some colleges require an entrance while some do not. Please refer to this link:
https://goo.gl/1URc91

Hi Ravendra,
After B.Sc, you can do higher studies (specific according to your subject) : M.Sc Mathematics, M.Sc Physics, M.Sc Chemistry, M.Sc Computers, M.Sc Zoology, M.Sc Botany, MBA, MCA and B.Ed.
Job after B.Sc : Bank Po & Clerk , CBI, SSC, Railway, NTPC, BHEL, FCI, IAS, IPS, UPSC, etc.
Best of luck.