Diploma

IIAM is a private an added standalone skill training institute, offering short term courses in aesthetic medicine and Cosmetology to medical practitioners. The IIAM offers the following PGD programs as under:
1. Post graduate Diploma in Cosmetic Dermatology (PGDCD)
2. Post graduate Diploma in Clinical Cosmetology (PGDCC)
3. Post graduate Diploma in Medical Trichology (PGDMT)
PGDCC is an online 6 months course and designed for medical Doctors who wants to develops skills and upgrade their knowledge in aesthetic and clinical Cosmetology. The students will be guided on how to start their Cosmetology set up like buying the right equipment and instruments, Marketing Management, finding cost effective distributors and vendors, job assistance etc. After completion of course the Doctors will be equipped with sound knowledge and skills to independently use various aesthetic procedures for their patients in their professional practice. So, from above you are eligible for this course as mentioned at s. no.2.

The eligibility criteria for B.Tech Aerospace Engineering at IIST is given below:
(A) Eligibility criteria : Minimum Marks Requirement in Qualifying Examination: Candidates must have secured at least 75% aggregate marks in the Class XII (or equivalent see below for list of Qualifying Examinations) Board examination. The aggregate marks for SC, ST and PD candidates should be at least 65%. The marks scored in the following five subjects will be considered for calculating the aggregate marks:1. Physics2. Chemistry3. Mathematics4. A language (if the candidate has taken more than one language, then the language with the higher marks will be considered). Any subject other than the above four (the subject with the highest marks will be
considered).
(B) Minimum Marks Requirement in JEE (Advanced)2020 Examination: Candidates should have appeared for the Joint Entrance Examination (Main)-2020 conducted by National Testing Agency (NTA), to qualify themselves to appear for the Joint Entrance Examination (Advanced)-2020 conducted by IITs and secure the minimum prescribed marks by IIST.
So, from the above Diploma students are not eligible for this course.

If you are asking about Diploma in Accounting, Finance & Taxation in Pune (of Nilaya ICats Institute of Commerce, then the eligibility criteria is given below:
Eligibility criteria: 1. Any commerce Graduates & post Graduates (BBA, BCOM, BBM, MCOM)
2. Any Undergraduate after class 12th and during FY / SY / TY (BBA, BCOM, BBM)
3. Any Non Commerce Graduate or Post Graduate (BA, BSC, B.E. LLB, MA. M.E. etc.):
4. After MBA or during MBA.
5. Students having own family business or who want to become businessman / Entrepreneur.
6. Who want to appear for CA/ CS /CWA, C.A.M. increases your prospects of success. (After class 12th or during graduation)
7. Housewives after long gap of marriage or kids to make career in accounts segment:

PGD in Clinical Research is a one-year duration course that provides extensive knowledge of the fundamental area of clinical research. Its strengthen skill, knowledge, Proficiency and expertise to the standards expected a clinical research professional and empowered the professionals working in the clinical research industries to move to senior position in management hierarchy. The following are the employment areas as under:
1. Colleges and Universities
2. Defence services
3. Hospitals
4. Medical and research Labs
The following are the types of jobs available for PGD Professionals.
1. Clinical Research Investigator
2. Drug officers
3. Teaching
4. Research associate
5. Regulatory affairs personnel
So, overall it is a good course, which provides opportunities in Medical and allied medical services. Hence it could be beneficial for you.