Germany

Yes, you may be able to pursue Automobile Engineering from Germany after completing a Diploma. However, the specific eligibility criteria may vary depending on the university or institution offering the programme. In general, to pursue an undergraduate degree in Automobile Engineering in Germany after completing a Diploma, you may need to fulfill the following eligibility criteria:
Completion of a 3-year Diploma in Mechanical Engineering or a related field. Proficiency in the German language as most of the courses are taught in the German language. You may need to provide proof of language proficiency by taking exams such as TestDaF, DSH, or Goethe Certificate. Qualifying score in entrance exams such as Tests, TMS, or FSP. Some universities may require work experience or completion of a bridging course. It is recommended that you check the specific eligibility criteria of the universities or institutions that you are interested in applying to, to ensure that you meet their requirements for admission to their Automobile Engineering programme. You may also need to provide additional documents such as transcripts, a statement of purpose, and letters of recommendation as part of the application process. Some of the top universities in Germany offering programs in Automobile Engineering are:
Technical University of Munich
RWTH Aachen University
Karlsruhe Institute of Technology
Technical University of Berlin
University of Stuttgart.

To determine the validity of your Bachelor's degree from Delhi University for pursuing an Ausbildung programme in Germany, you will need to have your educational qualifications evaluated by the competent German authorities. In Germany, the Central Office for Foreign Education (Zentralstelle for auslndisches Bildungswesen) is responsible for evaluating foreign educational qualifications. You can contact them to have your educational qualifications assessed and to know if your Bachelor's degree from Delhi University is recognised in Germany. Additionally, you should also check the specific admission requirements for the Ausbildung programme you wish to pursue. The admission requirements may vary depending on the programme and the institution offering it. You may also need to provide proof of German language proficiency, as many Ausbildung programs are conducted in German. It is recommended that you research and gather all the necessary information and documentation required for pursuing an Ausbildung programme in Germany before applying.

Ireland
Here are the steps to follow for admissions to an Automobile Engineering programme in Ireland:
Research: Start by researching the different universities that offer Automobile Engineering courses in Ireland. You can use online resources such as university websites, rankings, and education portals. Admission requirements: Check the admission requirements for each university, such as academic qualifications, English language proficiency, and application deadlines. Application: Once you have identified the universities and programs you are interested in, you can apply through the online application system. You will need to submit your academic transcripts, English language test results, and any other supporting documents required. Visa: If you are a non-EU student, you will need to apply for a student visa. The visa application process may vary depending on your country of origin, so check with the Irish embassy in your country for more information. Funding: Check the tuition fees and available scholarships for international students. You may also need to provide proof of funding to cover your living expenses in Ireland.
Germany
Here are the steps to follow for admissions to an Automobile Engineering programme in Germany:
Research: Start by researching the different universities that offer Automobile Engineering courses in Germany. You can use online resources such as university websites, rankings, and education portals. Admission requirements: Check the admission requirements for each university, such as academic qualifications, German language proficiency, and application deadlines. Application: Once you have identified the universities and programs you are interested in, you can apply through the online application system. You will need to submit your academic transcripts, German language test results, and any other supporting documents required.
Visa: If you are a non-EU student, you will need to apply for a student visa. The visa application process may vary depending on your country of origin, so check with the German embassy in your country for more information. Funding: Check the tuition fees and available scholarships for international students. You may also need to provide proof of funding to cover your living expenses in Germany. I hope this information helps you in the admission process for Automobile Engineering in Ireland or Germany. Best of luck!