I have completed my course of the MBA can you please tell me of the diploma courses that I can do now?

Courses after MBA are not, pursued as the MBA is the PG Degree Course itself. And all pg diploma is equaling to MBA so you can do just PhD program in management it will be best for you.

After MBA courses are more of use for those who are looking to go for a specialization in any of the management fields like Marketing and HR.

However, most of the courses for MBA are meant for a student to acquire a good job in a high profile company. Here are some of the courses that you pursue after the completion of the MBA

MCA
PGDCA
CFA - Chartered Financial Analyst
CS
Ph.D. Management Studies
M.Phil. (Statistics)
Ph.D. (Business Management)
Ph.D. - Business Administration
Ph.D. in Management
Post Graduate Diploma in Human Resource Development
PGPSCL
PGDMLM
Post Graduate Diploma in Logistics and Shipping
Post Graduate Diploma in Logistics and Retail Management
Certificate in Statistical Methods and Applications
DBA - Doctor of Business Administration
NCFM - NSE's Certification in Financial Markets
ICWA or any short term course for specialization in financial planning
Postgraduate Diploma in Management E-Biz
Graduate Diploma in Public Procurement (GDPP)
Post Graduate Diploma in Risk and Insurance Management
CA - Chartered Accountancy
CPI Certified CSR Auditor and Lead Training Program
Diploma in Human Resource Development
PG Diploma in Applied Ergonomics
Fellow Programme in Management (FPM)
Management Development Programme (MDPs) - XLRI
Certificate Programme on Capital Markets (CPCM)
PGDCMM
Certified Derivatives Specialist (CDS) Course
NISM-Series-V-A: Mutual Fund Distributors Certification Examination
Certified Bank Manager Programme (CBM)

Courses after MBA HR

Post Graduate Diploma in Human Resource Management
MHRM
Diploma in Labour Law
LLB
Diploma in Human Resource Management
Master in Management Studies (Human Resource)
PGDEM
PGDPHR
Diploma in Labour Law and Labour Welfare