Masters

Yes, you can. There is the age limit for bachelor degree but no age limit for post graduation.

Log on to the website of Indian Institute of Materials Management. The best one you are searching for. Regards.

Hello,
Though your academics are pretty good, but can't guarantee admission in Australia as they usually do not have so many backlogs. But, I would suggest you to get in touch with some good consultancy who can guide you better.

Hi,
You can apply for UGC NET Exam in the subject, that you have studied in your post-graduation. As you said that you have completed your Masters with History subject, then you can take your exam in History subject. Along with this, you should have minimum marks 55% (Gen) or 50% (ST /SC/PWD/OBC/Transgenders) in your post-graduation.
Before to apply, you should check all the details regarding this exam. So, prepare well with the good study material.
All the best :).

Here are some of the good colleges for PG in chemistry in Bhubaneswar/Orrisa-
CUTM - Centurion University of Technology and Management
Utkal University
College of Engineering and Technology, Biju Patnaik University of Technology
SOA - Siksha 'O' Anusandhan University
Ravenshaw University
Check this link too, for more colleges- https://www.shiksha.com/science/colleges/m-sc-chemistry-colleges-bhubaneswar.

Yes, you are eligible for your Masters in Australia.

As you said that you have done your PG in geography, therefore, you are able to give your UGC NET exam in Geography subject. For applying in the UGC NET Geography exam you must have Post-graduation in Geography, Applied Geography, Geo-Informatics or any other related subjects with 55% aggregate ( for General Category and 50% for SC/ST/OBC/PWD/Transgenders).

https://www.wemakescholars.com/physics-scholarships-for-indian-students-to-study-overseas
Go through this link and you will get many such information regarding scholarship.

It depends on you which course you want to pursue by DU. You can pursue MBA, MCA M.Ed professional courses.
Good luck!