B.Com

Yes, you can prepare yourself well with the current news and things happening around the world and the field you want to get into.
You will need to clear the GD&PI rounds among all the other applicants, so thorough preparation is required.

For masters in statistics, you must have At least 50% marks in B.A./B.Sc and at least 45% marks in Stats/Maths during 3 years of B.A./B.Sc programme.

Yes, it's a very BIG problem As both are not the same courses. One is related with accounting and other with business. When colleges take in their consideration, they prefer BBA aspirants when students have same marks applying for MBA.

Top B.Com private colleges in Delhi are mentioned below:
1) SHRI RAM COLLEGE OF COMMERCE - [SRCC], NEW DELHI
2) HINDU COLLEGE, NEW DELHI
3) HANS RAJ COLLEGE - [HRC], NEW DELHI
4) SRI VENKATESWARA COLLEGE, NEW DELHI
5) INDRAPRASTHA COLLEGE FOR WOMEN - [IP], NEW DELHI
6) DELHI COLLEGE OF ARTS AND COMMERCE - [DCAC], NEW DELHI
7) GARGI COLLEGE, NEW DELHI
8) RAMJAS COLLEGE, NEW DELHI
Regards.

Top commerce colleges in India from where you can pursue B.Com (Hons) are mentioned in the link provided below. This ranking is based on college rankings published by India Today and The Week. Link:
https://www.shiksha.com/accounting-commerce/ranking/top-commerce-colleges-in-india/97-2-0-0-0.

Hi, You can refer to the below link for colleges accepting your score:
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india-accepting-mah-cet/2-2-0-0-9983.