Diploma

Hi Bhanu Prakash,
Yes, you can apply after the Diploma course. You should check directly with the college as not too much information is provided on the college website. If you meet the admission requirements, you can be admitted. Check here:
http://www.bmc.edu.sg/prospective-students/student-admission-selection/

Hi Omkar,
Sorry to inform you but diplomas from India are not accepted for admissions in German universities. However, you can still apply but after completing one of the following
1. Clear IIT JEE Advanced
or
2. Complete the first year of a bachelor degree program in India.
Or you can try other countries if you don't wish to invest another year.

Hi Kartheek,
If you have completed your Bachelors you should apply for a Masters or a PG Diploma. You shouldn't be applying to a normal diploma, your application will be rejected in this case. There are number of courses you can choose from, what you want to study is your choice but here are some options:
1. M. Pharma
2. PG Diploma in Clinical Trial Management
3. PG Diploma in Pharmacy co vigilance
4. MS Management
5. MBA
6. PG Diploma in Health Management
and many more.

Hi Bhanu Prakash C S,
Yes, you can take your IELTS. There is no eligibility in terms of academic background to take IELTS, you only need to be 18 years of age.

You may refer to the link below:
https://www.shiksha.com/previous-years-iimc-question-papers-for-journalism-course-article-12732-1

You are not eligible to pursue PG Diploma in engineering based on your educational qualification.

It is valid as LEET is from the government. You can check rest of the details at their official website.