M.Sc

Please refer to the link provided below for a detailed list of entrance exams conducted for M.Sc programs in India.
https://www.shiksha.com/science/articles/top-bsc-msc-entrance-exams-in-india-blogId-13484

Hi Sarang,
The admission process is online, the requirements are mentioned clearly on the program website. At least 55% to 65% in your Bachelor's degree is required. You must also take the IELTS (IELTS: 6 (min 5.5 in all areas) or you can take the BrunELT: 60% (min 55% in all areas). There is an application link on the website which you need to click and fill up your form and submit.

Hello Aswin,
Well, this will depend on your final performance or percentile and also how competitive the university is. If you could not show significant improvement after the backlogs chances will be challenging. However, there are so many opportunities in Australia that you might land up getting an admission offer from some university or the other, maybe not the highly ranked ones. A very good application needs to be presented along with a decent IELTS score.

Please refer to the link provided below for details regarding admissions in Jagruti PG College for M.Sc maths. You can download their brochure which contains details like last application dates, course eligibility, admission criteria and process, fee structures, placement information, etc.
https://www.shiksha.com/college/jagruti-p-g-college-narayanguda-hyderabad-21738

Please refer to the link provided below for details regarding admissions in Jawaharlal Nehru University for M.Sc in environmental sciences. You should be able to download their brochure which contains important details like application dates, entrance tests (if any), admission criteria and process, fee structures, placement information, etc.
https://www.shiksha.com/university/jawaharlal-nehru-university-delhi-4225

You can migrate to another college provided your college has a tie-up with the target institute. Having a good academic record also helps. It will help push your application quicker. Before, you give up your seat with the current institute you should first block a seat in the target institute as a precaution. Consult with the admission authorities of your institute for further guidance.

YMCA, Haryana is the best option for you.

Please refer to the link provided below for details regarding admission in Vishwakarma Creative-I College (VCIC) for M.Sc in interior design. You should be able to download their brochure which contains important details like course eligibility, admission requirements and process, application dates, forms, fee structures, for a course in M.Sc. Interior design.
https://www.shiksha.com/design/interior-design/course/m-sc-in-interior-design-vishwakarma-creative-i-college-vcic-kondhwa-pune-191713