BCA

Structure you may get at official site.but they will take many extra money.and promise to give it back when admission will be done.but this thing never happen .they never refund any money.in any case. This is true answer. Why shiksha.com is mailing me to remove this answer?

No, you cannot do BCA without Mathematics
https://www.shiksha.com/it-software/course/bachelor-of-computer-application-bca-jagran-lakecity-university-jlu-bhopal-254175
You can follow the link to get more information

Course Duration Fees
Bachelor of Business Administration [BBA] 3 year (s) 4,42,000
Master of Business Administration [MBA] 2 year (s) 6,74,000
Master of Science [M.Sc ]2 year (s) 6,20,000

Top BCA Colleges in Nagpur - List of BCA Colleges in Nagpur. Dhruv College of Commerce & Management, [DCCM] Nagpur. Radha Mahavidyalaya, [RM] Nagpur. Sadabai Raisoni Women's College, Nagpur. Dr Ambedkar College, [DAC] Nagpur. GH Raisoni Institute of Information Technology, [GHRIIT] Nagpur.

BCA Private Jobs:Chief Information Officer. Computer Programmer. Computer Support Service Specialist. Computer Scientist. Computer Systems Analyst. Database Administration. Information Systems Manager. Software Developer.

After completing your BCA, you can opt for the following programmes:
Master of Computer Applications(MCA)Masters Degree in Information Management (MIM)Masters in Computer Management (MCM)Post Graduate Program in Corporate Studies (PGPCS)Information Security Management (ISM)Master of Business Administration (MBA).

Career Opportunities after MCA:
Software Developer/Programmer/Engineer:Troubleshooter:System Analyst:Software Application Architect:Software Consultant:Hardware Engineer:Technical Writer:Systems Developer/Engineer:

Yes sure, you can apply for M.Sc. In Mathematics after BCA. You must have a studied Mathematics in your graduation, if you are studied mathematics as subjects then you are eligible to apply for Master degree programme in Mathematics. You can also apply course like MBA, MCA M.Sc. (Comp), M.Sc. (IT). .

https://www.shiksha.com/it-software/colleges/bca-colleges-india
Here is the list of the top college of BCA in India, you can follow the link to get their admission procedure and other official details.

https://www.shiksha.com/university/jamia-millia-islamia-jmi-delhi-843/admission
Here is the complete admission procedure to get admission in this college
you can refer the link for official information