Automobile Engineering

I have checked their website. The overall fees for three years of Diploma is INR 1.46 lakhs. Following is the link from which you can check by yourself.
https://www.shiksha.com/college/dr-d-y-patil-polytechnic-talegaon-dabhade-pune-47616?q=Dr.D.Y.Patil+Polytechnic&rf=searchwidget&landing=ilp

Yes, you can just check whether they provide lateral entry or not, and is there any kind of entrance exam for it. Most of the colleges in India provide lateral entry.

No, you need to have a minimum of 50% marks in 12th grade and also take GEEE which is the entrance test.

Hello Tanuja,
Shastri Group of Institutes is offering Aerospace Engineering Under AERO a constituent part of Shastri Group of Institutes which promotes education, training, research and development, collaboration with Industry and Educational Institutes in all fields of aviation in India and Abroad. Work as a knowledge partner of Sandip University Nashik for B.Tech Aerospace Engineering.After completing your diploma, if you get more then 50% then you are eligible to take admission in Direct Second Year of B.Tech Aerospace Engineering

No additional document other than your JEE Mains scorecard, intermediate mark sheet, date of birth certificate and your allotment letter for admission in automobile engineering for the particular college is needed.

Automobile engineering has a very good scope in future you can also apply for jobs abroad as there is huge amount of automobile engineers required abroad and about automobile engineering colleges in Delhi, click on the link below for automobile engineering colleges in Delhi:
https://www.shiksha.com/search/?q=Automobile+Engineering&sp[]=45&sa=74^0^0^45^0^0^0^0^0^0^0^0^0^sp:45&rf=searchwidget&ct[]=74&pn=1&sscs=1&tk=Aut&ii=1&s[]=2&tscs=1

Please open colleges official site for proper information.

If you want to do B.Tech in Germany I would like to suggest that you go with Automobile. Because Germany is itself famous for Automobile, if you complete B.Tech high chances are there that you will get placed there itself.

You have to complete Bachelor's degree in your field, after that, you are eligible for MBA.