MBA/PGDM

Yes, you are eligible for MBA after any Bachelors if you have completed UG with minimum 45%. Yes, you are eligible for a government job as well but you need to take the required exam for government jobs.

Yes, you can do MBA in interior designing. Follow the link to get the list of top 10 interior designing colleges in India:
https://www.shiksha.com/articles/top-10-interior-design-schools-in-india-blogId-10599

TISS conducts its own entrance test TISSNET. To secure admission in TISS, you need to appear and clear TISSNET.

The best institutes for MBA (HR) are as follows:
* Xavier labour relations institute
* Management Development institute
* Narsee monjee institute of Management studies
* Tata institute of social sciences Mumbai
* International Management institute Delhi
* Indian institute of Management Ranchi
All these colleges accept admission through entrance tests like CAT TISSNET XAT NMAT etc.

https://www.shiksha.com/business-management-studies/colleges/colleges-india
Please go to the link I am sharing here to know about the college list and eligibility to get admission. You will get all information here. Good luck.

I would suggest you to go for PIMR, Indore for MBA. If you pursue MBA from PIMR College then you have almost 100% chances of placement. Several companies come to the college to recruit students depending upon the skills and knowledge of the students. Moreover, the faculty members are helpful and experienced also well qualified. Also, you've many co-curricular activities in the college.

Welingkar Mumbai campus has options for doing MBA travel and tourism. Please check the same at this site https://www.welingkaronline.org/distance-learning-online/MBA-travelntourism.aspx

Top MBA Colleges in India Accepting UPSEE are mentioned at the link provided below:
This ranking is based on rankings published by The Week, Business Today and National Institutional Ranking Framework (MHRD). https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india-accepting-upsee/2-2-0-0-6612.