Mathematics

Yes, of course, you are eligible for taking admissions in B.Sc (Hons) in Mathematics if you are a commerce with maths student.

You can follow the link mentioned below for the answer:
https://www.google.co.in/amp/s/www.shiksha.com/science/articles/amp/top-10-bsc-msc-colleges-in-india-blogId-13473

Just decide on the basis of your interest. Then do search on the available options on the chosen subject as a career field. But yes since you've got 80 in maths I guess you have a descent control over maths and you should go for maths, it has a good scope.

Hey Dear,
You will have to qualify an admission test. Online forms would be available online by the end of January.
Eligibility criteria: Senior Secondary School Certificate or an equivalent examination with at least 55% in
aggregate of english, physics, chemistry and biology/mathematics.
For admission

Hey Dear,
There various options available for B.Sc Mathematics graduate to pursue their higher studies. Details of best higher studies options for B.Sc Mathematics graduates are given below.
M.Sc/Ph.D: One of the best higher studies option available for the B.Sc Mathematics graduate is to do Masters D

You can check the official website of the university in which you want to take distance education.

Yes, you are eligible for it.

Hi Hartej, B.Tech in mathematics and computing is a undergraduate computer science course in the area of applied mathematics, computer science, pure mathematics, statistics. Graduates often enter the field of banks, research, management, finance, taxation and insurance companies after completing thi

Hi,
Only proper coaching and self-study will help. It's all about how you manage time. Start from right now and you'll be an IAS in couple of years.