India

Hello Sai, you have obtained a rank of about 65000 in the entrance exam conducted by the state of Andhra Pradesh for giving admissions to engineering colleges. Right? Almost every student who is appearing for this entrance exam gives CSE as the first choice and as a result the cutoffs in this branch for all types of categories of students is very stiff. However to help you I am attaching a link that can predict the branch and college that you can get based on your performance in this examination. https://www.shiksha.com/engineering/ap-eamcet-college-predictor
Best wishes to you.

M.Des can not pursue on the basis of 3 years engineering Diploma course. A Bachelor degree is mandatory requirement for pursuing M.Des course in asked specialisation. The following are the top Interior design colleges in India for M.Des Interior design.
1. NID Ahmedabad
2. CEPT University Ahmedabad
3. Pearl Academy, New Delhi
4. MIT ADT Pune
5. Karnavati University, Gandhinagar.

Few good b schools for BBA in aviation management are -
UPES, Dehradun
Krsitu Jayanti College
Hindustan Institute of Technology, Chennai
ILAM Delhi
People with BBA LL.B. Are also demanding in aviation sector. It is a very niche specializations. You can also pursue Diploma in aviation law that can enhance your employability drastically. Also you can explore on BBA LL.B. BBA non - specialised). These specializations will give you more scope and option for future.