B.Sc Maths

Yes, you can do your post-graduation Diploma in social work. You are eligible for this.
Good luck.

Hi Parthajeet, I Think one should choose a subject if he has interest and hold on the subject. By looking at the Maths marks in your class XII it seems you do not have much hold on the subject. Unless you want to make a Career in this area. Yes you can get B.Sc. Maths for UG in distance mode. Work Hard. All the Best.

Yes, you are eligible for B.Sc Mathematics.

Hi,
You can check your chances of getting admission in your desired college from the link below. https://www.shiksha.com/college-predictor
Thanks.

It will be uploaded on the official site of DU.
http://du.ac.in/adm2019/
Good luck.

Hi,
You can compare these colleges for M.Sc. With the help of this tool:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/resources/college-comparison&ved=2ahUKEwjZmpX8hrzjAhXaZSsKHSqmBV8QFjAAegQIAhAB&usg=AOvVaw3y5SpvbIBeIOXTZhH2ugyJ

You can compare it from the given link
https://www.shiksha.com/resources/college-comparison.

As per the admission criteria of IMT Ghaziabad. The test scores of CAT, XAT and GMAT are only acceptable at IMT Ghaziabad. Hence, your CMAT score is not applicable here.