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Hi Arpita,
As per your query, it is observed, that you are searching for a career transition and if so, definitely the transition would come with some constraints and struggle as the two career streams are totally different and way to hold any similarities.
Also if you are inclined to pursue Java or other programming languages, although it isn't impossible but definitely will be requiring a lot of concentration and time to understand the basics.
There are several institutes in the country which can offer you module courses and to know about these, please refer to the below link:
https://it.shiksha.com/getCategoryPage/colleges/it/india/All/Application-Programming/All
For any further clarification do post your query , in case this answer resolves your query, Please close it by marking it as Best Answer .
All the Best!

Eligibility
Applicants for the Ph.D. programme must already hold a Master's degree in a related field. (A Master's student who demonstrates outstanding potential for research may be permitted to transfer into the Ph.D. programme without completing their Master's degree. They must have completed at least one year of their Master's programme and must have an excellent academic record.).
Applicants should have successfully taken a university-level course in general physiology or anatomy. If they have not taken such a course, they will have to do so in the first year of their graduate programme; since the course will be at the undergraduate level, it will not count toward the course requirements of their graduate programme.
Admission Procedure
Applicants should have Cumulative Grade Point Averages (CGPA's) of at least 3.3 out of 4, or the equivalent.
A Graduate Record Examination (GRE) score is required from all applicants who have not completed a degree at a Canadian university. GRE percentile scores should be at least 85.
Non-Canadian applicants whose mother tongue is not English, and who have not completed an undergraduate degree using the English language, must submit documented proof of competency in English by a Test of English

Hi Iniyan, you need to appear for GRE and TOEFL or IELTS to apply to German University.
There are 2 intakes in a yearSep/Oct and MArch/April. The application and admission process takes about 9 months so youneed to plan accordingly. Thedeadline for Sep/Oct intake is in Jan and for March /Aprilintake is in July. Hence, youwill need to make an early application.
Once the University receives your application they may takeabout 3-4 months to inform youof the decision. Not all Univmay intimate you if your application is incomplete, hence it is your duty to ensure thatyou send all the requested documents in one go to avoid anylast minute issues.
If you do not want to apply directly or are apprehensive youtake help from UNI ASSIST. they charge Euro 55 for their service of applying to 2-3 univ.And additional Euro 15 per univ.
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