Full Time MBA

For MBA the best B-School preferred is IIM-Ahmedabad but it only accepts students at 90-99 percentile. If you are unable to fall under this category you can go for NMIMS Mumbai, Symbiosis Pune, etc. Also for regular or executive MBA yoh can go for executive MBA but it's not necessary that all the colleges provide it. So if you get a chance for executive MBA just do it as it will save your time and energy both.

Yes, recently there was some law which allows 2 degree simultaneously. Refer UGC Guidelines for pursuing two degrees simultaneously, rules and process explained
UGC has allowed students to pursue two degrees at the same time. Students will be given a choice to pursue the degrees in physical mode, hybrid mode or online mode. Students will also be allowed to choose from a variety of disciplines. The complete guidelines have now been issued by UGC.

A big yes! Many top-notch universities are providing online MBA and weekend MBA courses. In UK imperial business school provide both online and weekend MBA. If you can afford the traveling cost and need real class exposure and contacts with mates then you can go for a weekend MBA. If learning the subject is your sole motive other than being practically present in the class then an online MBA is the best choice for you.

You can get to know about the admission here-
https://www.shiksha.com/university/jamia-millia-islamia-Delhi-843/course-master-of-business-administration-mba-190341

You can refer to the link given below-
https://www.shiksha.com/mba/articles/top-mba-colleges-accepting-mat-score-blogId-6056

Course Details:
Master of Business Administration (M. B.A) is a full-time two-year postgraduate Management Department course and it is offered by the Acharya Nagarjuna University, Guntur.

PGDM in Banking and Finance is one of the most sought-after courses throughout the world. It offers excellent job opportunities in any organization, in the financial module, covers critical learning such as working capital management, acquisition, and international financial and mergers.

Hello,
Lovely to meet you!
Kindly see the below link for information related to your query.
https://www.shiksha.com/college/symbiosis-institute-of-management-studies-symbiosis-international-pune-khadki-21359

Hello,
a pleasure to meet you
Kindly visit this link for information related to your query.
https://www.shiksha.com/college/eastern-institute-for-integrated-learning-in-management-eiilm-esplanade-kolkata-28435/course-master-of-business-administration-mba-163132

No, you can do only one at a time.